The galactic center is a unique natural experiment in strong gravity.
Don't wait for permission to make a difference.
"文学的价值不在于它的流行程度,而在于它能否触动读者的内心。"
The greatest discoveries are often the result of many small steps.
The human being is a most curious creature. He thinks he has got one soul, and he has got dozens.
The ultimate goal of business is to make life better.