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

There is one rule for the industrialist and that is: Make the best quality of goods possible at the lowest cost possible, paying the highest wages possible.

Time and money spent in helping men to do more for themselves is far better than mere giving.

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

Ideas came swarming through her, and like many people who labour in the obsession of solitude, she lacked the detachment to challenge them.

'A quotation is a handy thing to have about, saving one the trouble of thinking for oneself.'

Ignorance: 'Most people do not actually know how to think for themselves, and unfortunately that prevents them from even knowing it.'