You never know what motivates you.
The secret of getting ahead is getting started.
Be gentle to all and stern with yourself.
It's always too early to quit.
Problems are not stop signs, they are guidelines.
To be a good loser is to learn how to win.
Go for it now. The future is promised to no one.
Wherever you are - be all there.
Without hard work, nothing grows but weeds.
Know or listen to those who know.
I object to a legal approach when settling questions of science or scientific behavior.
Questions have arisen about the policing of science. Who is responsible for the policing? My answer is: all of us.