Roam abroad in the world, and take thy fill of its enjoyments before the day shall come when thou must quit it for good.

The stranger has no friend, unless it be a stranger.

Expose not the secret failings of mankind, otherwise you must verily bring scandal upon them and distrust upon yourself.

Keep belly lightly loaded, if mind would wisdom see;For bodies crammed to bursting, make empty souls to be.

Make no friendship with an elephant keeper If you have no room to entertain an elephant

A tree, freshly rooted, may be pulled up by one man on his own. Give it time, and it will not be moved, even with a crane

However much you are read in theory, if thou hast no practice thou art ignorant