It is only very ugly or very beautiful women who ever hide their faces.
Mathematics is the foundation upon which all sciences are built.
The important thing in life is not victory but combat; it is not to have vanquished but to have fought well.
CRISPR并非凭空出现——它建立在数十年的基础研究之上。
Numbing the pain for a while will make it worse when you finally feel it.