To have done anything by which you earned money merely is to have been truly idle or worse.
There is no more fatal blunderer than he who consumes the greater part of his life getting his living.
The greatest compliment that was ever paid me was when one asked me what I thought, and attended to my answer.
How many things there are concerning which we might well deliberate whether we had better know them.
Do not hire a man who does your work for money, but him who does it for love of it.