Those who say that life is worth living at any cost have already written an epitaph of infamy, for there is no cause and no person that they will not betray to stay alive.

To silence criticism is to silence freedom.

Those who say that life is worth living at any cost have already written an epitaph of infamy, for there is no cause and no person that they will not betray to stay alive.

Before impugning an opponent's motives, even when they legitimately may be impugned, answer his arguments.

The easiest rationalization for the refusal to seek the truth is the denial that truth exists.

The difference between science and religion is that the former wishes to get rid of mysteries whereas the latter worships them.

Religious tolerance has developed more as a consequence of the impotence of religions to impose their dogmas on each other than as a consequence of spiritual humility in the quest for understanding first and last things.