Questions

Judge a man by his questions rather than his answers.
Voltaire

What you can do

Don't let what you cannot do interfere with what you can do.
John Wooden

Difference

The difference between school and life? In school, you're taught a lesson and then given a test. In life, you're given a test that teaches you a lesson.
Tom Bodett

Trying

Unless you try to do something beyond what you have already mastered, you will never grow.
Ralph Waldo Emerson

Walk

A real friend is one who walks in when the rest of the world walks out.
Walter Winchell