The object of all education should be to increase the usefulness of man - usefulness to himself and others.

I would rather that we all should go to eternal chaos, to black and starless night, than that just one soul should suffer eternal agony.

Who can over estimate the progress of the world if all the money wasted in superstition could be used to enlighten, elevate and civilize mankind?

Kindness is the sunshine in which virtue grows.

If the world ever advances beyond what it is today, it must be led by men who express their real opinions.

Ignorance worships mystery; reason explains it; the one grovels, the other soars.

If all the historic books of the Bible were blotted from the memory of mankind, nothing of value would be lost.