It takes a very long time to become young.

Pablo Picasso

It is better to remain silent at the risk of being thought a fool, than to talk and remove all doubt of it.

Maurice Switzer (often attributed to Abraham Lincoln)

If you're in trouble, or hurt or need - go to the poor people. They're the only ones that'll help - the only ones.

John Steinbeck

The mind is just the brain doing its job.

Simon LeVay

Without science everything is a miracle.

Lawrence Krauss

This is the material, by the way, that has kept me virtually anonymous in America for the past 15 years. Gee, I wonder why we're hated the world over? Look at these fat Americans in the front row - 'Why doesn't he just hit fruit with a hammer?' Folks, I could have done that, walked around being a millionaire and franchising myself but no, I had to have this weird thing about trying to illuminate the collective unconscious and help humanity. Fucking moron.

Bill Hicks

A measurement without uncertainty is meaningless.

Walter Lewin

If we were all willing to change our minds when we are proved wrong, the world would be a better place.

Lawrence Krauss

If a man makes a statement in the woods, and there is no woman around to hear him, is he still wrong?

unknown

The greatest crime since World War II has been U.S. foreign policy.

Ramsey Clark, former U.S. Attorney General

Trying to save someone from their own stupidity is like trying to teach a pig how to dance: it wastes your time, and annoys the pig.

Usenet tagline

I really can't recall learning anything truly useful after the fourth grade, which was when I finally mastered tying my own shoes.

unknown

You only have power over people as long as you don't take everything away from them. But when you've robbed a man of everything, he's no longer in your power — he's free again.

Alexander Solzhenitsyn

Black holes are where God divided by zero.

Steven Wright

Roses are red, violets are blue, I'm a schizophrenic and so am I.

Film “What about Bob”

Happiness is like peeing your pants: Everyone can see it, but only you can feel it's warmth.

Jon Foreman

Giving every man a vote has no more made men wise and free than Christianity has made them good.

H.L. Mencken

The truth of our faith becomes a matter of ridicule among the infidels if any Catholic, not gifted with the necessary scientific learning, presents as dogma what scientific scrutiny shows to be false.

Thomas Aquinas

Religion is the rock, dauntless, steadfast, ages old. Science is the water, shifting, changing, encompassing, eroding the rock away.

DarkMatter2525 (on YouTube)

Blind respect for authority is the greatest enemy of truth.

Albert Einstein

One of the great achievements of science has been, if not to make it impossible for intelligent people to be religious, then at least to make it possible for them not to be religious. We should not retreat from this accomplishment.

Steven Weinberg

You think this is easy, but wait until I have explained.

unknown

It is the mark of an educated mind to be able to entertain a thought without accepting it.

Aristotle

It is amazing what you can accomplish if you do not care who gets the credit.

Harry S. Truman

If you don't know where you are going… you might end up someplace else…

Yogi Berra