Profit is important, but it should never come at the expense of our principles.
The forest does not belong to us—we belong to the forest, and our duty is to protect it.
The greatest enemy of a good plan is the dream of a perfect plan.
We are punished by our sins not for them.
The mind is a biological achievement of the highest order.
Some men can get results if kindly encouraged, but give me the kind that do things in spite of hell.