Do not weep do not wax indignant. Understand.
Things do not happen. Things are made to happen.
Problems are not stop signs, they are guidelines.
Wherever you are - be all there.
It's always too early to quit.
To know oneself, one should assert oneself.
Without hard work, nothing grows but weeds.
The dog that trots about finds a bone.
Know or listen to those who know.
Who seeks shall find.
Half of the modern drugs could well be thrown out of the window, except that the birds might eat them.
Knowledge is a process of piling up facts wisdom lies in their simplification.