Quote #14157
Those who dream by day are cognizant of many things that escape those who...
Quote #25511
In theory, theory and practice are the same. In practice, they are not.
Quote #26143
What spirit is so empty and blind, that it cannot recognize the fact that...
Quote #33367
Young men, hear an old man to whom old men hearkened when he was...
Quote #13076
He has never written a single book, so you can imagine how much he...
Quote #27203
Nothing can be produced out of nothing.
Quote #14747
Men will not believe because they will not broaden their minds
Quote #24101
A scientific truth does not triumph by convincing its opponents and making them see...
Quote #22796
If you would stand well with a great mind, leave him with a favorable...
Quote #34394
His only fault is that he has no fault.