Miss Cellania has a neat collection of 50 Quotes about mothers, right on time for Mother's Day. Here's a few gems:
9. We never know the love of the parent until we become parents ourselves. -Henry Ward Beecher
19. A mother is a person who seeing there are only four pieces of pie for five people, promptly announces she never did care for pie. -Tenneva Jordan
42. There is only one pretty child in the world, and every mother has it. -Chinese Proverb
45. An ounce of mother is worth a ton of priest. -Spanish Proverb
48. Insanity is hereditary; you get it from your children. -Sam Levenson
Excellent! Link.