In adult centers the nerve paths are something fixed, ended, immutable. Everything may die, nothing may be regenerated.

The brain is a world consisting of a number of unexplored continents and great stretches of unknown territory.

Every man if he so desires becomes sculptor of his own brain.

The worst part is not in making a mistake but in trying to justify it, instead of using it as a heaven-sent warning of our mindlessness or our ignorance.

In summary, all great work is the fruit of patience and perseverance, combined with tenacious concentration on a subject over a period of months or years.

Unfortunately, nature seems unaware of our intellectual need for convenience and unity, and very often takes delight in complication and diversity.

There are no small problems. Problems that appear small are large problems that are not understood

It is idle to dispute with old men. Their opinions, like their cranial sutures, are ossified.

That which enters the mind through reason can be corrected. That which is admitted through faith, hardly ever.

To know the brain...is equivalent to ascertaining the material course of thought and will, to discovering the intimate history of life in its perpetual duel with external forces.

Nothing inspires more reverence and awe in me than an old man who knows how to change his mind.

Who wants avocado?

You do evil to the man and to God through your miracle prayers all the time.

we rescue our tears from the seasecure them by writ

I was born an American I live an American I shall die an American.

I watched my parents act as completely equal partners in their relationship, and as a son to a woman I respect immensely, I never thought of gender inequality as a child.

What we need in South Africa is for egos to be suppressed in favour of peace. We need to create a new breed of South Africans who love their country and love everybody, irrespective of their colour.

To listen to some devout people, one would imagine that God never laughs.

It's P for Progress not R for Recovery.

If it was Europe that gave us on the coast some idea of our history, it was Europe, I feel, that also introduced us to the lie.