By nature all men are equal in liberty, but not in other endowments.

The human mind may perceive truth only through thinking, as is clear from Augustine.

No man truly has joy unless he lives in love.

The principal act of courage is to endure and withstand dangers doggedly rather than to attack them.

There would not be a perfect likeness of God in the universe if all things were of one grade of being.

Pray thee, spare, thyself at times: for it becomes a wise man sometimes to relax the high pressure of his attention to work.

There is but one Church in which men find salvation, just as outside the ark of Noah it was not possible for anyone to be saved.