Science is a differential equation. Religion is a boundary condition.
We have guided missiles and misguided men.
Physical concepts are free creations of the human mind, and are not, however it may seem, uniquely determined by the external world.
[Mystery] is the fundamental emotion that stands at the cradle of true art and true science.
It is my view that these circumstances indicate the universe was created for man to live in.
It is difficult to say what is impossible, for the dream of yesterday is the hope of today and the reality of tomorrow.
A man should look for what is, and not for what he thinks should be.
Without deviation from the norm, progress is not possible.
So vast is art, so narrow human wit.
Concern for man and his fate must always form the chief interest of all technical endeavors. Never forget this in the midst of your diagrams and equations.
It doesn't matter how smart you are unless you stop and think.
Loyalty to petrified opinion never yet broke a chain or freed a human soul.
The altar cloth of one aeon is the doormat of the next.
Genius... means little more than the faculty of perceiving in an unhabitual way.
The easy confidence with which I know another man's religion is folly teaches me to suspect that my own is also.
A common sense interpretation of the facts suggests that a superintellect has monkeyed with physics.
All life is linked together in such a way that no part of the chain is unimportant. Frequently, upon the action of some of these minute beings depends the material success or failure of a great commonwealth.
Science, like life, feeds on its own decay. New facts burst old rules; then newly divined conceptions bind old and new together into a reconciling law.
Sciences may be learned by rote, but wisdom not.
There are no whole truths: all truths are half-truths. It is trying to treat them as whole truths that plays to the devil.
In science it often happens that scientists say, "You know that's a really good argument; my position is mistaken..."
What are the sciences but maps of universal laws, and universal laws but the channels of universal power; and universal power but the outgoings of a universal mind?
Whoever would overthrow the liberty of a nation must begin by subduing the freeness of speech.
If you can't explain it simply, you don't understand it well enough.
Our entire much-praised technological progress, and civilization generally, could be compared to an axe in the hand of a pathological criminal.
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