过去是一个跟随我们的影子，但它不必定义我们。

The purpose of computation is insight, not numbers.

Don't wait until everything is just right. It will never be perfect. There will always be challenges, obstacles and less than perfect conditions. So what. Get started now. With each step you take, you will grow stronger and stronger, more and more skilled, more and more self-confident and more and more successful.

未来并非一个固定的点，而是一系列从当下分叉的可能性。