self-discipline

The habit of putting restraints on yourself or exercising yourself to shape your character.

Is this a virtue or more of a meta-virtue?

It takes some effort first to see your character as something plastic and sculptable by you, and then to start putting in the regular work.

Complementary virtues

Contrasting vices

TBD

Virtues possibly in tension

How to acquire or strengthen it

TBD

Notes and links

Mentioned elsewhere

Inspirational quotes

TBD