Who seeks shall find.
Never complain and never explain.
Well done is better than well said.
Leap, and the net will appear.
I can, therefore I am.
If you've got a talent, protect it.
It's always too early to quit.
Begin to be now what you will be hereafter.
Wherever you are - be all there.
The dog that trots about finds a bone.
Crabbed and obscure definitions are of no use beyond a narrow circle of students, of whom probably every one has a pet one of his own.