Some quotes I hope may resonate with you.
"Mental toughness is doing the right thing for the team when it's not the best thing for you." - Bill Belichick
"You should be proud of life every day, because life is so beautiful." - Wim Hof
"Best shrew fact is that they shrink their brains by 20% in winter to save energy. How long before the environmental movement demands we do the same?" - Matt Ridley
"The world breaks everyone, and afterward, many are strong in the broken places." - Ernest Hemingway
"Why anyone would expect better decisions to be made by third parties who pay no price for being wrong is one of the mysteries of our time." - Thomas Sowell
"Be tolerant with others and strict with yourself." - Marcus Aurelius