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

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

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.

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

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.

This is the day that can change everything for you.

At war with savages and idiots. To be a Frenchman abroad is to be miserable; to be an American abroad is to make others miserable.

In truth, we're all just pottering, filling the time that we have here, only we like to make ourselves feel bigger by compiling lists of importance.

I've got this thing with skating and school - to see how much I can accomplish.

I never justify, sustain, or in any way or to any extent uphold this cruel, heartless, aimless unnecessary war.

It's like my father always said to me, he said to me, he said, Roseanna Roseanadana, it's always something. If it isn't one thing--it's another! It's always something.

Health care is the No. 1 concern of small businesses and the status quo is untenable.

When you're supported by millions all over the world, you can either go nuts, or try to feed off the goodwill.

He that is a friend to himself, know; he is a friend to all.

In general, we should be able to agree that those who have greater opportunities and face fewer impediments have a greater responsibility to do more to help achieve such ends.