You have to persevere and fortify your pertinacity until the will to good becomes a disposition to good.
Seneca the YoungerIt is not because things are difficult that we do not dare; it is because we do not dare that things are difficult
Seneca the YoungerThere is no evil that does not promise inducements. Avarice promises money; luxury, a varied assortment of pleasures; ambition, a purple robe and applause. Vices tempt you by the rewards they offer.
Seneca the YoungerCling tooth and nail to the following rule: Not to give in to adversity, never to trust prosperity, and always to take full note of fortune's habit of behaving just as she pleases, treating her as if she were actually going to do everything it is in her power to do. Whatever you have been expecting for some time comes as less of a shock.
Seneca the Younger