我不活在过去。我不活在未来。我活在现在。

"We are all the sum of our memories, but what happens when those memories are erased or altered? Do we become someone else, or do we remain the same person, just with a different past?"

In the world of physics, we often find that the simplest questions are the hardest to answer.

The rise of China and the resurgence of Russia have challenged the idea that liberal democracy is the only viable form of government.

Leadership is about inspiring others to see what's possible.

The simplest solutions are often the most elegant.