I have never had the least sympathy with the a priori reasons against orthodoxy, and I have by nature and disposition the greatest possible antipathy to all the atheistic and infidel school. Nevertheless I know that I am, in spite of myself, exactly what the Christian would call, and, so far as I can see, is justified in calling, atheist and infidel.

The known is finite, the unknown infinite; spiritually we find ourselves on a tiny island in the middle of a boundless ocean of the inexplicable. It is our task, from generation to generation, to drain a small amount of additional land.

I care not what subject is taught, if only it be taught well.

The secret of genius is to carry the spirit of childhood into maturity.

Though under-instruction is a bad thing, it is not impossible that over-instruction may be worse.

There is no greater mistake than the hasty conclusion that opinions are worthless because they are badly argued.

In matters of intellect, follow your reason as far as it will take you, without regard for any other consideration.