"A good scientist is a person with original ideas. A good engineer is a person who makes a design that works with as few original ideas as possible. There are no prima donnas in engineering."

"Unfortunately things are different in climate science because the arguments have become heavily politicised. To say that the dogmas are wrong has become politically incorrect."

"It is characteristic of all deep human problems that they are not to be approached without some humor and some bewilderment."

"The question that will decide our destiny is not whether we shall expand into space. It is: shall we be one species or a million? A million species will not exhaust the ecological niches that are awaiting the arrival of intelligence."

"I love to sing and I do think that my strength as a singer is... I think I have a voice that is certainly sufficient under most any circumstances... but I think my strength is that I really am an actor and I really do have to own what I am saying."

"You have a good many little gifts and virtues, but there is no need of parading them, for conceit spoils the finest genius. There is not much danger that real talent or goodness will be overlooked long, and the great charm of all power is modesty."

"Women with money and women in power are two uncomfortable ideas in our society."

"My father was the son of immigrants, and he grew up bilingual, but English is what my father taught me and what he spoke to me. America's strength is not our diversity it is our ability to unite around common principles even when we come from different backgrounds."