The sense of this word among the Greeks affords the noblest definition of it; enthusiasm signifies 'God in us.'

Scientific progress makes moral progress a necessity; for if man's power is increased, the checks that restrain him from abusing it must be strengthened.

No nation has the right to bring about a revolution, even though such a change may be most urgently needed, if the price is the blood of one single innocent individual.

One must choose in life between boredom and suffering.

Every time a new nation, America or Russia for instance, advances toward civilization, the human race perfects itself; every time an inferior class emerges from enslavement and degradation, the human race again perfects itself.

... in the history of the human mind there has never been a useful thought or a profound truth that has not found its century and admirers.

All music, even if its occasion be a gay one, renders us pensive.