You are near correct, but "truths" is not the issue: I love people who smile even when life is difficult. "Patience, if everything" looks like a typing error to me. I would guess they meant "Patience is everything" meaning that patience is the most important quality while waiting for the fix.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
Jeff Cowell"Patience, if everything" looks like a typing error to meI checked that comment again and I saw that it's slightly different. It's written: "If everything, patience". I don't know maybe this changes the meaning.