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.

Everyone has the right to doubt everything as often as he pleases and the duty to do it at least once. No way of looking at things is too sacred to be reconsidered. No way of doing things is beyond improvement.

The vertical thinker says: 'I know what I am looking for.' The lateral thinker says: 'I am looking but I won't know what I am looking for until I have found it.'

Child mortality since 2000 is down by 2.65 million a year. That's a rate of 7,256 children's lives saved each day. ... It drives me nuts that most people don't seem to know this news.

The weapons of the positive revolution are not bullets and bombs but simple human perceptions. Bullets and bombs may offer physical power but eventually will only work if they change perceptions and values. Why not go the direct route and work with perceptions and values?

The Church has its problems, but the older I get, the more comfort I find there.

Most of the mistakes in thinking are inadequacies of perception rather than mistakes of logic.