The man who acts never has any conscience; no one has any conscience but the man who thinks.
It is much easier to recognise error than to find truth; for error lies on the surface and may be overcome; but truth lies in the depths, and to search for it is not given to every one.
Character calls forth character.
As a coal is revived by incense, so prayer revives the hopes of the heart.
A man must pay dear for his errors if he wishes to get rid of them, and even then he is lucky.
With knowledge grows doubt.
Wisdom lies only in truth.
Whoso shrinks from ideas ends by having nothing but sensations.
Whoso is content with pure experience and acts upon it has enough of truth.
Which is the best government? That which teaches us to govern ourselves.
When prudence is only fear in disguise, its scruples cannot be conquered.
When Nature begins to reveal her open secret to a man, he feels an irresistible longing for her worthiest interpreter, Art.