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.

We stopped looking for monsters under our bed when we realized that they were inside us.

The only constant is change, continuing change, inevitable change, that is the dominant factor in society today.

追求科学不仅仅是寻找答案，还要提出正确的问题。