Model checking is a powerful tool for verifying the correctness of hardware and software systems.
每个物品都有声音,如果你知道如何倾听。
The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.
過去は変えられないが、未来は変えられる。
设定新目标或梦想新梦想永远不会太晚。