But without deeper reflection one knows from daily life that one exists for other people--first of all for those upon whose smiles and well-being our own happiness is wholly dependent, and then for the many, unknown to us, to whose destinies we are bound by the ties of sympathy.
Great spirits have always encountered violent opposition from mediocre minds.
The value of a man resides in what he gives
One must take what nature gives as one finds it.
A clever person solves a problem. A wise person avoids it.
The important thing is to never stop questioning. Never lose a holy curiosity.