In ethics, the humanist motto is 'if it feels good - do it'. In politics, humanism instructs us that 'the voter knows best'. In aesthetics, humanism says that 'beauty is in the eye of beholder'.
According to humanism, humans must draw from within their inner experiences not only the meaning of their own lives, but also the meaning of the entire universe. This is the primary commandment humanism has given us: create meaning for a meaningless world.
Accordingly, the central religious revolution of modernity was not losing faith in God; rather, it was gaining faith in humanity.
The greatest scientific discovery was the discovery of ignorance. Once humans realized how little they knew about the world, they suddenly had a very good reason to seek new knowledge, which opened up the scientific road to progress.
If i invest $100 million searching oil in Alaska and i find it, then i now have more oil, but my grandchildren will have less of it. In contrast, if i invest $100 million researching solar energy, and i find a new and more efficient way of harnessing it, then both i and my grandchildren will have more energy.
The traditional view of the world as a pie of a fixed size presupposes that there are only two kinds of resources in the world: raw materials and energy. But in the truth there are three kinds of resources: raw materials, energy and knowledge.