We need more than good intentions to trust. We also need competence. The knowledge aspect of trust is less morally weighted than the honesty aspect of trust. ‘Knowledge and expertise’ looks in detail at this side of trust. Does trustworthiness always require expertise? Self-knowledge of what commitments can be fulfilled and honesty in what can be achieved play important roles in trustworthiness. However, sometimes we are prone to over-estimating our ability. Most of us consider ourselves to be above average. Are we free to choose who we trust? What damage do we cause ourselves if we choose not to trust?