• And if your attitude is that only smarter people have something to teach you, your learning opportunities will be very limited. ... When we see people acting in an abusive, arrogant, or demeaning manner toward others, their behavior almost always is a symptom of their lack of self-esteem. They need to put someone else down to feel good about themselves.

    Clayton M. Christensen, Harvard Business Review (2016). “The Clayton M. Christensen Reader”, p.203, Harvard Business Review Press