Amr

“If you want to overcome the whole world, overcome yourself.”
― Fyodor Dostoyevsky, Demons

“Nothing can bring you peace but yourself.”
― Dale Carnegie, How to Stop Worrying and Start Living: Time-Tested Methods for Conquering Worry

“Above all, don't lie to yourself. The man who lies to himself and listens to his own lie comes to a point that he cannot distinguish the truth within him, or around him, and so loses all respect for himself and for others. And having no respect he ceases to love.”
― Fyodor Dostoevsky, The Brothers Karamazov

“wisdom comes to us when it can no longer do any good.”
― Gabriel García Márquez, Love in the Time of Cholera