If I feel unhappy, I do mathematics to become happy. If I am happy, I do mathematics to keep happy.

Nothing can be more hurtful to your heart than betraying yourself.

We are only writing the history of our time.

Remember who you are, what you stand for, and what's most important in your life…

If you want to be unique.Just be yourself.

Do not look at life's long sorrow; see how small each moment's pain.

The rich man in his castle, The poor man at his gate, God made them, high or lowly, And order'd their estate.

John Coltrane was an addict; Billie Holiday was an addict; Eugene O'Neill was an addict. What would America be without addicts and post-addicts who make such grand contributions to our society?

The biggest story in all of politics are the millions of people that are coming out to vote for me, in all fairness, for the Republican Party.

Don't be so shortsighted that if it doesn't happen right now, you're not going to be happy. You are sowing seeds that will reap a great harvest for generations to come.

If you wish to be loved, love.