Some quotes I hope may resonate with you.
"We are often more frightened than hurt; and we suffer more from imagination than from reality." - Seneca
"'No' is often a decision, frequently temporary, to maintain the status quo." - Chris Voss
"He who knows, does not speak. He who speaks does not know." - Lao Tzu
"It is a rough road that leads to the heights of greatness." - Seneca
"I am indeed rich, since my income is superior to my expenses, and my expense is equal to my wishes." - Edward Gibbon
"It is not things that disturb us, but our interpretation of their significance." - Epictetus
"Nothing is miserable unless you think it so; and on the other hand, nothing brings happiness unless you are content with it." - Boethius