The universe may have a purpose, but nothing we know suggests that, if so, this purpose has any similarity to ours.

It is a natural propensity to attribute misfortune to someone's malignity.

What will be the good of the conquest of leisure and health, if no one remembers how to use them?

Unless you assume a God, the question of life's purpose is meaningless.

The Stoic assures us that what is happening now will happen over and over again. [If so, Providende would] ultimately grow weary through despair.

We love our habits more than our income, often more than our life.

A word is used "correctly" when the average hearer will be affected by it in the way intended. This is a psychological, not a literary, definition of "correctness". The literary definition would substitute, for the average hearer, a person of high education living a long time ago; the purpose of this definition is to make it difficult to speak or write correctly.