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

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.

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.

True science teaches us to doubt and, in ignorance, to refrain.

Great art is the outward expression of an inner life in the artist, and this inner life will result in his personal vision of the world.

You are the language so universalyou are forgottenBe my linguistTurn meinto your words.

When I first open my eyes upon the morning meadows and look out upon the beautiful world I thank God I am alive.

Puritanism - the haunting fear that someone somewhere may be happy.

The more people expect from government, the more biased they become against limiting government power.

Grace will hold you every step of the way.

I love nature, so I'd love to go out and just look at things and not care what I look like.

The labyrinth of Ephebe is ancient and full of one hundred and one amazing things you can do with hidden springs, razor-sharp knives, and falling rocks.

Invention is the mother of necessity.

Perfection bores me, in art, in music; most of all, in people. Luckily, perfection is rare.