There exists a species of transcendental ventriloquism by means of which men can be made to believe that something said on earth comes from Heaven.

First there is a time when we believe everything, then for a little while we believe with discrimination, then we believe nothing whatever, and then we believe everything again - and, moreover, give reasons why we believe.

To write brashly about some things, it is almost necessary not to know much about them.

Nothing is more conducive to peace of mind than not having any opinion at all.

Everyone is perfectly willing to learn from unpleasant experience - if only the damage of the first lesson could be repaired.

Nowadays beautiful women are counted among the talents of their husbands.

Above all things expand the frontiers of science: without this the rest counts for nothing.