Here are some quotes that I hope may resonate with you.
"Happiness in intelligent people is the rarest thing I know." - Ernest Hemingway
"You will not be punished for your anger. You will be punished by your anger." - the Buddha
"The most contrarian thing of all is not to oppose the crowd but to think for yourself." - Peter Thiel
"The secret to being likable is to not care if people like you." - Ed Latimore