It is not your outward appearance that you should beautify, but your soul, adorning it with good works.
The heavens declare the glory of Kepler and Newton.
The sacred formula of positivism: love as a principle, the order as a foundation, and progress as a goal.
Positivism is a theory of knowledge according to which the only kind of sound knowledge available to human kind is that if science grounded in observation.
Nothing is destroyed until it is replaced.
Know yourself to improve yourself.
To reorganize society without God or King, by the systematic culture of Humanity.
Being able to talk about your body openly is such an empowering thing.
Nuclear weapons are the scourge of the earth; to mine for them, manufacture them, deploy them, use them, is a curse against God, the human family, and the earth itself.
The role of the infinitely small in nature is infinitely great.
My regret was immediate and permanent and useless.