Nature in no case cometh short of art, for the arts are copiers of natural forms.

The things you think about determine the quality of your mind. Your soul takes on the color of your thoughts.

Be not as one that hath ten thousand years to live; death is nigh at hand: while thou livest, while thou hast time, be good.

A man should remove not only unnecessary acts, but also unnecessary thoughts, for then superfluous activity will not follow.

The man who doesn't know what the universe is doesn't know where he lives.

The only wealth which you will keep forever is the wealth you have given away.

Life is a warfare and a stranger's sojourn, and after fame is oblivion.