The entire world would perish, if pity were not to limit anger.

The whole duty of man is embraced in the two principles of abstinence and patience: temperance in prosperity, and patient courage in adversity.

In the meantime, cling tooth and nail to the following rule: not to give in to adversity, not to trust prosperity, and always take full note of fortune's habit of behaving just as she pleases.

Some there are that torment themselves afresh with the memory of what is past; others, again, afflict themselves with the apprehension of evils to come; and very ridiculously both - for the one does not now concern us, and the other not yet ... One should count each day as a separate life.

Modesty once extinguished knows not how to return.

However wretched a fellow-mortal may be, he is still a member of our common species.

Epicurus says, "gratitude is a virtue that has commonly profit annexed to it." And where is the virtue that has not? But still the virtue is to be valued for itself, and not for the profit that attends it.