Expect problems and eat them for breakfast.
If you can dream it, you can do it.
If you think you can do it, you can.
Quality is not an act, it is a habit.
Know or listen to those who know.
I can, therefore I am.
After a storm comes a calm.
By failing to prepare, you are preparing to fail.
If you're going through hell, keep going.
If you've got a talent, protect it.
In those early years in New York when I was a stranger in a big city, it was the companionship and later friendship which I was offered in the Linnean Society that was the most important thing in my life.