Anyone who stops learning is old — whether this happens at twenty or at eighty. Anyone who keeps on learning not only remains young but becomes constantly more valuable — regardless of physical capacity.

You can't learn in school what the world is going to do next year.

Merely gathering knowledge may become the most useless work a man can do. What can you do to help and heal the world? That is the educational test.

Those who stop marketing to save money are like those who stop a clock to save time.

I see no advantage in these new clocks. They run no faster than the ones made 100 years ago.

Money is like an arm or leg - use it or lose it.

Under pressure, the mouth speaks when the brain is disengaged, and, sometimes unwittingly, the gearshift is in reverse when it should be in neutral.