Wisdom is knowledge which has become a part of one...

Nothing else so destroys the power to stand alone as the habit of leaning upon others. If you lean, you will never be strong or original. Stand alone or bury your ambition to be somebody in the world.

No employer today is independent of those about him. He cannot succeed alone, no matter how great his ability or capital. Business today is more than ever a question of cooperation.

The golden opportunity you are seeking is in yourself. It is not in your environment it is not in luck or chance, or the help of others it is in yourself alone.

The really frightening thing about middle age is the knowledge that you'll grow out of it.

If repression has indeed been the fundamental link between power, knowledge, and sexuality since the classical age, it stands to reason that we will not be able to free ourselves from it except at a considerable cost.

We are approaching a new age of synthesis. Knowledge cannot be merely a degree or a skill... it demands a broader vision, capabilities in critical thinking and logical deduction without which we cannot have constructive progress.

We live in an age of instant knowledge. And there's almost a sense of entitlement to that.

Age is an issue of mind over matter. If you don't mind, it doesn't matter.

Common sense is the collection of prejudices acquired by age eighteen.

The older I grow the more I distrust the familiar doctrine that age brings wisdom.

Wisdom doesn't necessarily come with age. Sometimes age just shows up all by itself.