We must alter theory to adapt it to nature, but not nature to adapt it to theory.‎

It is what we know already that often prevents us from learning.

The experimenter who does not know what he is looking for will not understand what he finds.

When we meet a fact which contradicts a prevailing theory, we must accept the fact and abandon the theory, even when the theory is supported by great names and generally accepted.

Man can learn nothing unless he proceeds from the known to the unknown.

The terrain is everything; the germ is nothing.

Art is 'I'; science is 'we'.

A fact in itself is nothing. It is valuable only for the idea attached to it, or for the proof which it furnishes.

Those who do not know the torment of the unknown cannot have the joy of discovery.

Science increases our power in proportion as it lowers our pride.

All the vital mechanisms, varied as they are, have only one object, that of preserving constant the conditions of life in the internal environment.

If the true nature of everything isn't extraordinary, then God would be ordinary.

How often misused words generate misleading thoughts.

So I’m putting my defenses up, cause I don’t wanna fall in love. If I ever did that. I think I’d have a heart attack.

Necessity dominates inclination, will, and right.

We contacted the FBI months ago, when the DNC issue came about. They've reviewed all of our systems. We have hacking detection systems in place.

Life's had to break you down so you could be rebuilt

Every day and in every way, baseball gets fancier. A few more years and they'll be playing on oriental rugs.

If sequestered pain made a sound, the atmosphere would be humming all the time.

I started using Notes [on my iPhone] but I do a lot of hand written notes. It's a very slow, accumulative thing.

Life's real victories must be shared.