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

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.

Rainbows earn their brightest colors in the storm.

Give yourself permission 2 evolve. Become a philosopher

Dreams are the only way to change reality.

Everything depends exclusively on emotions.

Nothing else in the whole wide world matters as much as avenging your sister.

France built its best colony on a principle of exclusion, and failed; England reversed the system, and succeeded.

Did we risk our lives to defend a just society, where guilt must be proven and not assumed? Or are we no better than the oppressive kings from whom our fathers fled?

I think I do speak to all ages, but the emphasis is, unlike everybody else who is chasing the Millennials, I'm not chasing the Millennials.

Live life, see it through. Carry on, it's all you can do.

Obviously I'm a big fan of 'South Park,' but it gets tiring at times when there's so much of it.