出自北齐·颜之推《颜氏家训·勉学》。不管是愚人还是聪明人，总想自己见多识广，但不肯读书，这就等于想吃饱饭却懒得做饭，想穿暖却懒得缝制衣服。
The ethical debate around CRISPR is as important as the science itself.
Economic theory provides the tools, but real-world testing refines them.
The night is a great silence, but the stars are its music.