This bears repeating: intelligence is not something which exists, but something one does; it is active, interpersonal and generative, and it manifests when we think and act. We have already learned – from the gibbons, gorillas and macaques – that intelligence is relational: it matters how and where you do it, what form your body gives it, and with

Compassion is real intelligence because it helps you see the wide range of human experience, while fear keeps you self-centered.

The trick isn't to eliminate fear – it's to develop a relationship with it where you can distinguish between fear that's warning you about real dangers and fear that's just playing old tapes of self-doubt.