The curve of progress in the physical sciences is, assuredly, still rising rapidly. But I wonder how fast the curve of human-effort-invested-per-disc… - John W. Campbell

It’s frustrating to have to yield one’s Opinion to someone else; the ancient, surging feeling “I have a right to my own opinion!” resents that necessity violently. O.K., friend, your opinion may, indeed, be just as good as mine . . . but is it as good as the Universe’s? The cultural group was able to apply pressure that forced Galileo to retract his stated opinion, and that proved his opinion wasn’t as good as theirs, didn’t it? Winning the argument is not equivalent to proving yourself the better and righter man. You may, in the more general terms of the Universal Laws, simply be the more bigoted and stupid man.

Meteorites don't fall on the Earth. They fall on the Sun and the Earth gets in the way.

The world’s prize stupid oaf is the man who thinks he already has all the answers.