If you can’t make a mistake, you can’t make anything.

Marva Collins

Teachers open the door. You enter by yourself

Chinese saying

Learn to see things backwards, inside out and upside down

John Heider

If a man empties his purse into his head, no man can take it away from him. An investment in knowledge always pays the best interest.

Benjamin Franklin

When the sun is shining I can do anything; no mountain is too high, no trouble to difficult to overcome.

Wilma Rudolph

You got to be careful if you don’t know where you’re going, because you might not get there.

Yogi Berra