Simplicity is a great virtue but it requires hard work to achieve it and education to appreciate it. Simplicity is the ultimate sophistication.

"With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one—but no one at all—can tell you what to read and when and how."

The iron rule of nature is: you get what you reward for. If you want ants to come, you put sugar on the floor.

最有价值的公司通常是由那些痴迷于解决特定问题的创始人建立的。