The doubter is a true man of science: he doubts only himself and his interpretations, but he believes in science.

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.

Move not unless you see an advantage

Build your life on your dreams

There is a good deal too strange to be believed nothing is too strange to have happened.

Faith is a capacity of the spirit. It is like talent: you have to be born with it

As for myself: I had come to the conclusion that there was nothing sacred about myself or about any human being, that we were all machines, doomed to collide and collide and collide.

Our age is one of guided missiles and unguided men.

I enjoy cooking and baking. Alicia Silverstone's vegan cookbook is awesome.

... you want to be proud of how much you can get done with a small numbers of employees.

Katniss Everdeen, the girl who was on fire, you have provided a spark that, left unattended, may grow to an inferno that destroys Panem," he says.

It simply doesn't make any sense for us to have illegal aliens in our custody in our courts and then let them go back to living here illegally. That's wrong and we should stop it.