The more time I spent on maths, the more excited I got.

The next green revolution won't be led by chemicals, but by data and biology.

In one of the stars I shall be living。 In one of them I shall be laughing。 And so it will be as if all the stars were laughing， when you look at the sky at night… You – only you – will have stars that can laugh.

The legacy of the coal industry will be defined by what we do today.