You only have to doze a moment, and all is lost. For ruin and salvation both have their source inside you. - Epictetus

Sickness is an impediment to the body but not to the will unless the will wants to be impeded. Lameness is an impediment to the leg, but not to will. If you tell yourself this every time, you will find the impediment is to something else but not to yourself.

Nature hath given men one tongue but two ears, that we may
hear from others twice as much as we speak.

Don’t let the force of the impression when first it hits you knock you off your feet; just say to it, ‘Hold on a moment; let me see who you are and what you represent.