I always cheer up immensely if an attack is particularly wounding because I think, well, if they attack one personally, it means they have not a single political argument left.

我们的科学力量已经超过了我们的精神力量。我们有导弹，但我们的人类道德方向已经偏离。

Sustainable agriculture is not a slogan but a responsibility—we must preserve green mountains and clear waters for future generations.

The strongest weapon you have is your mind. Train it well.

The most beautiful things come from the heart.

Wisdom is the source of all happiness.

The best time to plant a tree was 20 years ago; the second-best time is now.

The great challenge of modern politics is to reconcile the demands of identity with the requirements of liberal democracy.

In the realm of theoretical computer science, we often find that the most profound insights come from the simplest ideas.