Only fools don't contradict themselves
One doesn't discover new lands without consenting to lose sight, for a very long time, of the shore.
The most decisive actions of life are most often unconsidered actions.
An opinion, though it is original, does not necessarily differ from the accepted opinion; the important thing is that it does not try to conform to it.
I have never produced anything good except by a long succession of slight efforts.
A desire for truth is by no means a need for certitude and it would be unwise to confuse one with the other.