All things flow, nothing abides. You cannot step into the same river twice, for the waters are continually flowing on. Nothing is permanent except change.

History is a child building a sand-castle by the sea, and that child is the whole majesty of man's power in the world.

Character is our destiny.

Dogs bark at what they don't understand.

Things of which there is sight, hearing, apprehension, these I prefer.

We have to be faster in calming down a resentment than putting out a fire, because the consequences of the first are infinitely more dangerous than the results of the last; fire ends burning down some houses at the most, while the resentment can cause cruel wars, with the ruin and total destruction of nations.

Learning many things does not teach understanding