We live on this speck called Earth - think about what you might do, today or tomorrow - and make the most of it.

Darwin's theory of evolution is a framework by which we understand the diversity of life on Earth. But there is no equation sitting there in Darwin's 'Origin of Species' that you apply and say, 'What is this species going to look like in 100 years or 1,000 years?' Biology isn't there yet with that kind of predictive precision.

The most creative people are motivated by the grandest of problems that are presented before them.

Neil deGrasse Tyson Quotes