To be good is not enough; a man must be good for something

The high wage begins down in the shop. If it is not created there it cannot get into pay envelopes. There will never be a system invented which will do away with the necessity for work.

Chop your own wood and it will warm you twice

There's no such thing as no chance.

A business that makes nothing but money is a poor business.

If you need a machine and don't buy it, then you will ultimately find that you have paid for it and don't have it.

Be ready to revise any system, scrap any method, abandon any theory, if the success of the job requires it.