Quote #4283
All is flux, nothing stays still.
Quote #15309
Whoever is out of patience is out of possession of his soul. Men must...
Quote #24169
Physical concepts are free creations of the human mind, and are not, however it...
Quote #5253
Music is a moral law. It gives soul to the universe, wings to the...
Quote #8517
The greatness of a nation and its moral progress can be judged by the...
Quote #24134
Not everything that can be counted counts, and not everything that counts can be...
Quote #11617
Religion is something left over from the infancy of our intelligence, it will fade...
Quote #15908
You do not need to be loved, not at the cost of yourself. The...
Quote #18612
The true science and study of man is man.
Quote #30025
Please give me some good advice in your next letter. I promise not to...