Be gentle to all and stern with yourself.
Be thine own palace, or the world's thy jail.
It's always too early to quit.
If you think you can do it, you can.
Without hard work, nothing grows but weeds.
By failing to prepare, you are preparing to fail.
If you've got a talent, protect it.
What you do today can improve all your tomorrows.
Things do not happen. Things are made to happen.
Problems are not stop signs, they are guidelines.
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.