Living most of the time in a world created mostly in one's head, does not make for an easy passage in the real world.

Innovation comes only from an assault on the unknown.

Many have gone on to do important scientific work but all remember those wonderful times when we and our science were young and our excitement in meeting new challenges knew no bounds.

I completed the first three years of primary school in one year and was admitted to the local school the age of six directly into the fourth year, some two years younger than all my contemporaries.

I think one of the things about creativity is not to be afraid of saying the wrong thing.

I set up a laboratory in the Department of Physiology in the Medical School in South Africa and begin to try to find a bacteriophage system which we might use to solve the genetic code.

Have you tried neuroxing papers? It.'s a very easy and cheap process. You hold the page in front of your eyes and you let it go through there into the brain. It's much better than xeroxing.