Never give up. Today is hard, tomorrow will be worse, but the day after tomorrow will be sunshine.
永不放弃。今天很艰难，明天会更糟，但后天会阳光灿烂。
证明是一种可重复的说服实验。
The ethical implications of genetic modification must be carefully considered.
No matter what happens in life, be good to people. Being good to people is a wonderful legacy to leave behind.
"I am not interested in the psychology of characters, but in the psychology of situations."