Old minds are like old horses; you must exercise them if you wish to keep them in working order.

It was the work of the quiet mountains, this torrent of purity at my feet.

Thinking is the hardest work there is, which is probably the reason why so few engage in it.

There is joy in work. there is no happiness except in the realization that we have accomplished something.

The caterpillar does all the work, but the butterfly gets all the publicity.

Choose a job you love, and you will never have to work a day in your life.

Never ask people. Not about your work. Don't you know what you want? How can you stand it, not to know?