What we call creative work, ought not to be called work at all, because it isn't. I imagine that Thomas Edison never did a day's work in his last fifty years. ↗
When you're writing you're constantly fighting demons to sit down and do what you do. If you listen to the voices outside your head, in addition to the ones inside your head, you'll never get anything done. There's enough inner strife. ↗
The trip I made to Angola to study the prehistoric contents of the gravel beds as a means of deciding the age of the deposits and their economic potential was the first time prehistory had ever been used for such a purpose. ↗