A cold and moist brain is an inseparable companion to folly.

The chief merit of language is clearness.

Employment is nature's physician, and is essential to human happiness.

Those who are enslaved to their sects are not merely devoid of all sound knowledge, but they will not even stop to learn!

All who drink of this remedy recover in a short time except those whom it does not help, who all die.

Luckily, many other people tell me how they have had a particular landscape photograph of mine in their office or bedroom for 15 years and it always speaks to them strongly whenever they see it

The combination of pictures and words together can be really effective, and I began to realise in my career that unless I wrote my own words, then my message was diluted