"Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence."
The ultimate tragedy is not the oppression and cruelty by the bad people but the silence over that by the good people.
Mathematics is the science of patterns, and we study them to understand how things work.
What's terrible is to pretend that second-rate is first-rate. To pretend that you don't need love when you do; or you like your work when you know quite well you're capable of better.