If you're going through hell, keep going.
Be kind whenever possible. It is always possible.
Without hard work, nothing grows but weeds.
Never complain and never explain.
The most effective way to do it, is to do it.
To know oneself, one should assert oneself.
Things do not happen. Things are made to happen.
Be gentle to all and stern with yourself.
The secret of getting ahead is getting started.
Expect problems and eat them for breakfast.
When the first fossils began to be found in eastern Africa, in the late 1950s, I thought, what a wonderful marriage this was, biology and anthropology. I was around 16 years old when I made this particular choice of academic pursuit.