Grittier students are more likely to earn their diplomas; grittier teachers are more effective in the classroom. Grittier soldiers are more likely to complete their training, and grittier salespeople are more likely to keep their jobs. The more challenging the domain, the more grit seems to matter.

You cannot will yourself to be interested in something you're not interested in. But you can actively discover and deepen your interest.

If you're never able to tolerate a little bit of pain and discomfort, you'll never get better.

Angela Duckworth Quotes