If you’re religious, “I can do all things through Christ who strengthens me.” - Phil 4:13 or Jesus did it for 40 days in the desert, you can do it for 3 in the a/c. If not, “If you are going through hell, keep going.” - Winston Churchill or “It is not enough that we do our best; sometimes we must do what is required.” - also Churchill. The man had some inspiring quotes.