The man who wins out and survives does so only because of superior science and strategy.

Impressive claims are made far more impressive by making them exact

Changing people's habits is very expensive

The compass of accurate knowledge directs the shortest, safest, cheapest course to any destination

The writing of headline is one of the great journalistic arts. They either conceal or reveal am interest

On most lines, making a sale without making a convert does not count for much. Sales made by conviction - by advertising - are likely to bring permanent customers. People who buy through casual recommendations often do not stick

The man who wins out and survives does so only because of superior science and strategy.