Love does not begin and end the way we seem to think it does. Love is a battle, love is a war; love is a growing up.
The beauty of mathematics lies in its ability to simplify complex ideas into elegant structures.
"Memory is a kind of accomplishment, a sort of renewal even."
可持续性不是选择，而是我们对后代的责任。
Security is not a product, but a process.
Efficiency in markets often depends on how well information is transmitted.