Sacrifice may be a flower that virtue will pluck on its road, but it was not to gather this flower that virtue set forth on its travels.

It is the evil that lies in ourselves that is ever least tolerant of the evil that dwells within others.

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.

All our knowledge merely helps us to die a more painful death than animals that know nothing.

It is far more important that one's life should be perceived than that it should be transformed; for no sooner has it been perceived, than it transforms itself of its own accord.

Sacrifice may be a flower that virtue will pluck on its road, but it was not to gather this flower that virtue set forth on its travels.

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.