Whatever the mind can conceive and believe, it can achieve.

There are two primary choices in life: to accept conditions as they exist, or accept the responsibility for changing them.

There is only one good, knowledge, and one evil, ignorance.

Today I will do what others won't, so tomorrow I can do what others can't.

Intelligence is the ability to adapt to change.

It's not what you are that holds you back, it's what you think you are not.

Turn and face the strange.

Everyone thinks of changing the world, but no one thinks of changing himself.

No matter what people tell you, words and ideas can change the world.