We don't rise to the level of our expectations, we fall to the level of our training.

- Archilochos

Far better is it to dare mighty things, to win glorious triumphs, even though checkered by failure... than to rank with those poor spirits who neither enjoy nor suffer much, because they live in a gray twilight that knows not victory nor defeat.

- Theodore Roosevelt

Humility is a knowledge of our weaknesses, confidence is a knowledge of our strengths, and ego is something dangerous with none of the former and a skewed sense of the latter.

- Ego is the Enemy by Ryan Holiday

The fruit of your work grows on other people's trees.

- Peter Drucker