You have to persevere and fortify your pertinacity until the will to good becomes a disposition to good.
Whom they have injured they also hate.
The thing that matters is not what you bear, but how you bear it
Go on and increase in valor, O boy! this is the path to immortality.
To lose a friend is the greatest of all evils, but endeavour rather to rejoice that you possessed him than to mourn his loss.
Our plans miscarry because they have no aim.