Here is a neat collection of short famous life sayings about life which are easy to understand and use.
And in the end, it's not the years in your life that count. It's the life in your years. - Abraham Lincoln
In three words I can sum up everything I've learned about life. It goes on. - Robert Frost
Life is not a problem to be solved, but a reality to be experienced. - Soren Kierkegaard
Every man must do two things alone; he must do his own believing and his own dying. - Martin Luther
Whatever the mind can conceive and believe, the mind can achieve. - Dr. Napoleon Hill
Knowledge comes, but wisdom lingers. - Lord Tennyson
Brevity is the soul of wit. - William Shakespeare
The man who says his wife can't take a joke forgets that she took him. - Unknown Source
How we spend our days is, of course, how we spend our lives. - Annie Dillard
The only thing to do with good advice is pass it on. It is never any use to oneself. - Oscar Wilde
All that I have seen teaches me to trust the Creator for all I have not seen. - Ralph Waldo Emerson
The time you enjoy wasting is not wasted time. - Bertrand Russell
You probably wouldn't worry about what people think of you if you could know how seldom they do. - Olin Miller
Success is not final, failure is not fatal. - Winston Churchill
Courage is fear holding on a minute longer. - General Patton
Most people would rather be certain they're miserable than risk being happy. - Robert Anthony