"I'm a big believer that a little bit of knowledge is a dangerous thing."

"If you think your teacher is tough, wait till you get a boss."

"An outrageous lie."

"The world today has 6.8 billion people... that's headed up to about 9 billion. Now if we do a really great job on new vaccines, health care, reproductive health services, we could lower that by perhap…"

"Don't compare yourself with anyone in this world…if you do so, you are insulting yourself."