confirmation bias: seeing what we expect to see. The other is desirability bias: seeing what we want to see. - Adam Grant

To master a new concept in math, science, or a foreign language, it typically takes seven or eight practice sessions.

Success doesn’t measure a human being, effort does.

When takers win, there’s usually someone else who loses. Research shows that people tend to envy successful takers and look for ways to knock them down a notch. In contrast, when givers like David Hornik win, people are rooting for them and supporting them, rather than gunning for them. Givers succeed in a way that creates a ripple effect, enhancing the success of people around them.