... friendship
It is a good thing to be rich and a good thing to be strong, but it is a better thing to be loved by many friends.
~Euripides
A true friend stabs you in the front.
~Oscar Wilde
Friendship is unnecessary, like philosophy, like art . . . it has no survival value; rather is one of those things that give value to survival.
~C. S. Lewis
... attitude
Well began is half done.
~Aristotle
Whether you think you can or think you can't, you are right.
~Henry Ford