Already at the origin of the species man was equal to what he was destined to become.

One must credit an hypothesis with all that has had to be discovered in order to demolish it.

A married couple are well suited when both partners usually feel the need for a quarrel at the same time.

Theories pass. The frog remains.

Kill one man, and you are murderer.

It is horrible to see everything that one detested in the past coming back wearing the colors of the future.

What makes our opponents useful is that they allow us to believe that without them we would be able to realize our goals.