There are a lot of good quotes & proverbs floating around - some are funny & many are profound. In this page, I've listed some of the ones that I think are good to keep in mind.

Friendship has grandeurs unknown to love. It gets stronger from difficulties when constraints kill love. It withstands times that separate and break up couples. It has highs unknown to love.
-Mariama Ba

A true friend is the most precious of all possessions and the one we take the least thought about acquiring.
-La Rochefoucauld

You can hardly make a friend in a year, but you can lose one in an hour.
-Chinese proverb

Middle age: The time when you'll do anything to feel better, except give up what is hurting you.
-Robert Quillen

Opportunities are usually disguised as hard work, so most people don't recognize them.
-Ann Landers

To improve is to change; to be perfect is to change often.
-Winston Churchill

Better three hours too soon than a minute too late.
-William Shakespeare

It is the true nature of mankind to learn from mistakes, not from example.
-Fred Hoyle

The most wasted of all days is that in which we have not laughed.
-Sebastien R.N. Chamfort