In the Mormon religion's document entitled "Family," it is written: "We declare that God's commandment for His children to multiply and replenish the Earth remains in force." Courtney and Cameron Larson of Lima, New York, wanted to fulfill their religious duty and faithfully worked to have a family for a couple of years. Eventually, they tried intrauterine insemination (IUI) and the third attempt proved to be the charm—in a big way. On March 11, 2012 Courtney gave birth to quadruplets Ashlyn, Brody, Cooper, and Kylie. Today, Courtney and Cameron struggle to balance their time raising four toddlers in their "terrible twos" and finding quiet time for themselves.

From left to right: Ashlyn, Brody, Cooper, and Kylie watch television as Courtney prepares a snack for them in the kitchen. Courtney often turns on the television to distract the children while she prepares food or does chores around the house. Nov. 16, 2014.

Cameron and Courtney dress their children, (left to right) Brody, Ashlyn, Cooper, and Kylie for school. The 2-year-old quadruplets attend a school called Kidstart three days a week because they are behind in both motor and speech development. Nov. 14, 2014.

Kylie and Brody ride their toy cars through their mother's legs and the rest of the house. The children enjoy riding around the house on their cars for fun. Nov. 21, 2014.

Courtney sits with Brody as Kylie has one of her "daily temper tantrums." On the other side of the room, her husband, Cameron, sits with Cooper while Ashlyn bounces on the trampoline. Courtney and Cameron play with their quadruplets in the basement to get away from the television and interact together on a regular basis. Nov. 16, 2014.

Courtney feeds Brody through his feeding tube before they go to Sunday church. Brody has developmental issues with his esophagus so he doesn't eat as much on his own. Courtney feeds him child nutrition shakes through a tube connected to his stomach for extra nutrients. Nov. 9, 2014.

Ashlyn plays in the leaves at a park in Avon, New York. Courtney tries to entertain the children outside while the weather is still nice. Nov. 9, 2014.

After playing in the park for an hour, Kylie had a tantrum and Courtney straps her into her car seat before they head home. Cooper didn't want to leave the park so he started crying, too. Nov. 9, 2014.

Courtney holds Kylie to calm her down after a temper tantrum as her sister, Ashlyn, plays with Courtney's hair. Courtney says it's hard to give them all the attention they want at once. Nov. 10, 2014.

Brody, Kylie, Ashlyn, and Cooper sit at a quadruplets' table, custom-made for families with multiple children to make mealtime easier. The table features a built-in seat for each child. Nov. 10, 2014.

Kylie has one of her temper tantrums. Nov. 10, 2014.

Ashlyn and Cameron share a happy moment in the family playroom in their basement. Cameron works Monday-Friday 9-6 and usually is home just to to put the kids to bed, leaving Courtney to be the primary care taker during the week. Nov.16, 2014.

Cooper plays with toys in the Sunday school nursery at the Church of Jesus Christ of Latter Day Saints in Lima, New York, on Nov. 9, 2014. The Larsons are Mormons whose main focus is family.

Courtney and quadruplets (from left to right) Kylie, Ashlyn, Cooper, and Brody make their way inside after the school bus drops them off. The quads attend school Tuesdays, Thursdays, and Fridays until around 12:30 in the afternoon. Nov. 21, 2014.

Santa Clause gives the quadruplets rubber duckies in the Marketplace Mall in Henrietta, New York, while saying, "Hello!" Courtney brings the children to the mall not to shop, but to play in the inside playground once the weather gets cold. She likes to keep them active and entertained, which is difficult when they are stuck inside on cold days. Nov. 17, 2014.

Cameron reads a bedtime story to three of the four quadruplets, Kylie, Ashlyn, and Cooper. The children usually go to bed around 6:30 p.m. every night once they eat dinner, play, and have a story read to them. Nov. 21, 2014.

Courtney takes a moment to rest before she puts the quads to bed. Most nights they are a handful to get into bed, even with Cameron's help. Nov. 10, 2014.

Cameron lies with his daughter Ashlyn just before bed. The quadruplets sleep in one room. There is nothing in the room but their beds because they enjoy climbing out of bed and making a mess for their parents. Nov. 21, 2014.

Courtney kisses Kylie as she puts her to bed. Recently the quadruples were all moved into their toddler beds because they kept climbing out of the cribs. The quadruplets usually go to bed around 6:30 p.m., allowing Courtney and Cameron some time for themselves.

Cameron and Courtney watch a movie to unwind after a long day. Most nights they fall asleep on the couch or go to bed early because they are so exhausted and drained. Nov. 21, 2014.

Cooper (left) and Brody (right) climb onto one of the cribs after their baths. The quadruplets, especially the boys, love to climb on anything they can get their hands on. Nov. 10, 2014.