Be both a speaker of words and a doer of deeds.

For a friend with an understanding heart is worth no less than a brother

It is equally bad when one speeds on the guest unwilling to go, and when he holds back one who is hastening. Rather one should befriend the guest who is there, but speed him when he wishes.

By mutual confidence and mutual aid - great deeds are done, and great discoveries made

Achilles glared at him and answered, "Fool, prate not to me about covenants. There can be no covenants between men and lions, wolves and lambs can never be of one mind, but hate each other out and out an through. Therefore there can be no understanding between you and me, nor may there be any covenants between us, till one or other shall fall

Yet, taught by time, my heart has learned to glow for other's good, and melt at other's woe.

We got a little rule back home: If it's brown, drink it down. If it's black, send it back.