Leap, and the net will appear.
It's always too early to quit.
You never know what motivates you.
Quality is not an act, it is a habit.
To know oneself, one should assert oneself.
Never complain and never explain.
If you've got a talent, protect it.
Without hard work, nothing grows but weeds.
Wherever you are - be all there.
Who seeks shall find.
I wrote somewhere during the Cold War that I sometimes wish the Iron Curtain were much taller than it is, so that you could see whether the development of science with no communication was parallel on the two sides. In this case it certainly wasn't.