Quotes about self-discipline

I forget who it was that recommended men for their soul's good to do each day two things they disliked: it was a wise man, and it is a precept that I have followed scrupulously; for every day I have got up and I have gone to bed.

The guerrilla fighter, as a person conscious of a role in the vanguard of the people, must have a moral conduct that shows him to be a true priest of the reform to which he aspires. To the stoicism imposed by the difficult conditions of warfare should be added an austerity born of rigid self-control that will prevent a single excess, a single slip, whatever the circumstances. The guerrilla soldier should be an ascetic.