The man was such an intellectual he was of almost no use.

There are people who think that everything one does with a serious face is sensible.

A book is a mirror: if an ape looks into it an apostle is hardly likely to look out.

Of all the inventions of man I doubt whether any was more easily accomplished than that of a Heaven.

After all, is our idea of God anything more than personified incomprehensibility?

If another Messiah was born he could hardly do so much good as the printing-press.

Never undertake anything for which you wouldn't have the courage to ask the blessings of heaven.