One should not pursue goals that are easily achieved. One must develop an instinct for what one can just barely achieve through one’s greatest efforts.
Great spirits often meet violent oppisition with mediocre minds.
Intelligence is not the ability to store information, but to know where to find it.
Nature conceals her secrets because she is sublime, not because she is a trickster.
Anyone who thinks science is trying to make human life easier or more pleasant is utterly mistaken.
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.