The need to be right all the time is the biggest bar to new ideas.

You cannot look in a new direction by looking harder in the same direction.

Humor is probably the most significant characteristics of the human mind. Far more significant than reason. In fact, reason is actually a very cheap commodity.

In a sense, words are encyclopedias of ignorance because they freeze perceptions at one moment in history and then insist we continue to use these frozen perceptions when we should be doing better.

It is better to have enough ideas for some of them to be wrong, than to be always right by having no ideas at all.

Do we have the will to make poverty history?

My thinking was taught to tribes in South Africa like the Zulus and Xhosas. At the time there were about 210 fights breaking out among them every month, but after they listened to my lessons, this fell to just four.