Here are two beautiful posts about the importance of time with our kids. Although they focus on Saturdays, they apply to every day (and every moment) of our parenting lives:
From the NYT, by KJ Dell’Antonia:
http://parenting.blogs.nytimes.com/2012/03/16/childhood-940-saturdays-and-youre-done/
From Scary Mommy, by Rachel Macy Stafford:
http://www.scarymommy.com/saturday-286/