To have known how to change the past into a few saddened smiles-is this not to master the future?

The manner in which the hours of freedom are spent determines, no less than labor and war, the moral worth of a nation.

The decent moderation of today will be the least of human things tomorrow. At the time of the Spanish Inquisition, the opinion of good sense and of the good medium was certainly that people ought not to burn too large a number of heretics; extreme and unreasonable opinion obviously demanded that they should burn none at all.

Wisdom requires no form; her beauty must vary, as varies the beauty of flame. She is no motionless goddess, for ever couched on her throne.

Can we conceive what humanity would be if it did not know the flowers?

If you love yourself meanly, childishly, timidly, even so shall you love your neighbor.

At every crossroad on the way that leads to the future, each progressive spirit is opposed by a thousand men appointed to guard the past.