On the occasion of every ...

On the occasion of every accident that befalls you, remember to turn to yourself and inquire what power you have for turning it to use.
On the occasion of every accident that befalls you, remember to turn to yourself and inquire what power you have for turning it to use.

Quotes from the same author

Men are disturbed not by things, but by the view which they take of them.
It is the nature of the wise to resist pleasures, but the foolish to be a slave to them.
Keep silence for the most part, and speak only when you must, and then briefly.
Know, first, who you are, and then adorn yourself accordingly.
We have two ears and one mouth so that we can listen twice as much as we speak.