For the things of this world cannot be made known without a knowledge of mathematics.

It is impossible to love and to be wise.

Silence is the sleep that nourishes wisdom.

Begin doing what you want to do now. We are not living in eternity. We have only this moment, sparkling like a star in our hand - and melting like a snowflake.

If a man will begin with certainties, he shall end in doubts, but if he will content to begin with doubts, he shall end in certainties.

All rising to great places is by a winding stair.

It's not what we profess but what we practice that gives us integrity.

Man prefers to believe what he prefers to be true.

There is a difference between happiness and wisdom: he that thinks himself the happiest man is really so; but he that thinks himself the wisest is generally the greatest fool.

Read not to contradict and confute, nor to believe and take for granted... but to weigh and consider.

Life is a marshmallow, easy to chew but hard to swallow.

Faith is faith.

Everything is research.

Boredom was my bedmate and it was hogging the sheets.

People don't know the real me. The hard times I went through are what led me to my life now. I was a mess as a teen! I was kind of wild and really unhappy.

Solitude, if rightly used, becomes not only a privilege but a necessity. Only a superficial soul fears to fraternize with itself.

In the United States, if 43 percent of eligible voters do not vote, then democracy is weakened.

On taking office, Obama promised the 'most transparent' administration in history; yet his record as president has been anything but transparent.

I'd call what I do pop music, but it's folky and electronic and it doesn't really sound like much else.

It would be catastrophic if one day these fundamentalists Christians gain enough political power to enforce their literal understanding of Mosaic Law.

Wildly original, brilliantly comic, brutally gruesome, it is a dazzling performance that will probably outrage nearly as many readers as it delights.