.

Twenty years from now you will be more disappointed by the things that you didn't do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover. Mark Twain

If I am not for myself, who will be for me? If I am not for others, what am I? And if not now, when? Rabbi Hillel

If pain were water, the world would drown. Dennis Prager.

There's no such thing as a free lunch. The phrase dates to at least the 1930's.

How would you define intelligence? Intelligence is the ability to take in information from the world and to find patterns in that information that allow you to organize your perceptions and understand the external world. Columbia physicist, Brian Greene.