But he makes the alleviation of grief depend on two things--a ceasing to think on evil, and a turning to the contemplation of pleasure.

For he thinks that the mind may possibly be under the power of reason, and follow her directions: he forbids us, therefore, to mind trouble, and calls us off from sorrowful reflections; he throws a mist over our eyes to hinder us from the contemplation of misery.
Having sounded a retreat from this statement, he drives our thoughts on again, and encourages them to view and engage the whole mind in the various pleasures with which he thinks the life of a wise man abounds, either from reflecting on the past, or from the hope of what is to come.

I have said these things in my own way; the Epicureans have theirs.

However, let us examine what they say; how they say it is of little consequence.
XVI.

In the first place, they are wrong in forbidding men to premeditate on futurity and blaming their wish to do so; for there is nothing that breaks the edge of grief and lightens it more than considering, during one's whole life, that there is nothing which it is impossible should happen, or than, considering what human nature is, on what conditions life was given, and how we may comply with them.