“For your Bildung you should choose the most difficult and splendid problem, but as subject for a dissertation choose no more than a very limited and remote corner.”

“You can't choose your problems. But, you can choose how you handle them.”

“Do not throw away your heart. Keep your heart. Your heart is all that matters ... Throw away your ancestors! ... Throw away your shyness and the anger that lies just a few inches beneath ... Accept the truth! And if there is more than one truth, then learn to do the difficult work -- learn to choose. You are good enough, you are HUMAN ENOUGH, to choose!”

“Nothing shapes your life more than the commitments you choose to make.”

“Principle 1: By setting limitations, we must choose the essential. So in everything you do, learn to set limitations.   Principle 2: By choosing the essential, we create great impact with minimal resources. Always choose the essential to maximize your time and energy.”

“Choose your battles, but don't choose very many.”