Affirmation without discipline is the beginning of delusion.

Learning never exhausts the mind.

The aim of education is knowledge, not of facts, but of values.

If a window of opportunity appears, don't pull down the shade.

Trust yourself, you know more than you think you do.

I learned the value of hard work by working hard.

The secret of success is learning how to use pain and pleasure instead of having pain and pleasure use you. If you do that, you're in control of your life. If you don't, life controls you.

A leader is one who knows the way, goes the way, and shows the way.

They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.

In youth we learn; in age we understand.