The boys throw rocks at the frogs in jest. But the frogs die in earnest.

Self-conceit is the enemy of progress.

Wealth is the sinews of success.

The boys throw rocks at the frogs in jest. But the frogs die in earnest.

It hurts the bald-head just as much as the thatched-head to have his hairs plucked.

Good slaves are free, but bad free men are slaves of many passions.

Bion insisted on the principle that "The property of friends is common."