The minds that rise and become really great are never self-satisfied, but still continue to strive.

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.

The universe belongs to you, and you belong to your conscience.

It's a good thing I was born a girl, otherwise I'd be a drag queen.

It seems like when you're in the race, they do everything they can to ignore you, so maybe being out of the race [I] might get a little more attention, we'll see.

"God save our gracious Queen": Why would we invoke a non-specific deity to bail out these unelected spongers?

I used to have this slight speech implement and couldn't remember things before I took the Sam Carnegie course.

I don't mind trying it out and making sure something seems to work well.

A match made in heaven set the fires in hell.

It is Christmas every time you let God love others through you...yes, it is Christmas every time you smile at your brother and offer him your hand.

All attention is introspection.

Great books, like large skulls, have often the least brains.