The most effective debugging tool is still careful thought, coupled with judiciously placed print statements.

The future of drones belongs to those who dare to push boundaries.

我扮演的每个角色都是我的一部分，我把一部分自己献给每个角色。

阈限性是一种模糊和矛盾的状态，一个纯粹可能性的领域。