Brian Greene

One of the strangest features of string theory is that it requires more than the three spatial dimensions that we see directly in the world around us. That sounds like science fiction, but it is an indisputable outcome of the mathematics of string theory.

The central idea of string theory is quite straightforward. If you examine any piece of matter ever more finely, at first you'll find molecules, atoms, sub-atomic particles. Probe the smaller particles, you'll find something else, a tiny vibrating filament of energy, a little tiny vibrating string.

Did you know there's a difference between being busy and being fruitful? Did you ever stop to think that just being busy - running around in circles all day but not accomplishing anything - is the same as wasting your time? It's frustrating to expend so much energy and time and not have any fruit from your effort!

A wise woman recognizes when her life is out of balance and summons the courage to act to correct it, she knows the meaning of true generosity, happiness is the reward for a life lived in harmony, with a courage and grace.