I had learnt from experience that many false opinions may be exchanged for true ones, without in the least altering the habits of mind of which false opinions are made.

I will call no being good who is not what I mean when I apply that epithet to my fellow creatures; and if such a creature can sentence me to hell for not so calling him, to hell I will go .

Genius can only breathe freely in an atmosphere of freedom.

So true is that unnatural generally means only uncustomary, and that everything which is usual appears natural.

Originality is the one thing which unoriginal minds cannot feel the use of.

It would not be easy even for an unbeliever, to find a better translation of the rule of virtue from the abstract into the concrete, than to endeavor so to live that Christ would approve our life.

The great majority of those who speak of perfectibility as a dream, do so because they feel that it is one which would afford them no pleasure if it were realized.