Never complain and never explain.
If you've got a talent, protect it.
Without hard work, nothing grows but weeds.
You never know what motivates you.
Be kind whenever possible. It is always possible.
Be gentle to all and stern with yourself.
To know oneself, one should assert oneself.
The dog that trots about finds a bone.
Things do not happen. Things are made to happen.
Expect problems and eat them for breakfast.
How many of you have broken no laws this month? That's the kind of society I want to build. I want a guarantee - with physics and mathematics, not with laws - that we can give ourselves real privacy of personal communications.