It is given to no human being to stereotype a set of truths, and walk safely by their guidance with his mind's eye closed.

But society has now fairly got the better of individuality; and the danger which threatens human nature is not the excess, but the deficiency, of personal Impulses and preferences.

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.

It can do truth no service to blind the fact, known to all who have the most ordinary acquaintance with literary history, that a large portion of the noblest and most valuable moral teaching has been the work not only of men who did not know, but of men who knew and rejected the Christian faith.

Men are men before they are lawyers, or physicians, or merchants, or manufacturers; and if you make them capable and sensible men, they will make themselves capable and sensible lawyers or physicians.

Genius can only breathe freely in an atmosphere of freedom.

Since the general or prevailing opinion on any subject is rarely or never the whole truth, it is only by the collision of adverse opinion that the remainder of the truth has any chance of being supplied.