基因编辑的伦理影响必须在每一步都得到考虑。
The ethical implications of gene editing must be considered at every step.
The root of all superstition is that men observe when things hit， and not when they miss， and commit to memory the one， and pass over the other.
The only thing that can make you a leader is your vision.
Though debts are condemned in the financial world, the world of friendship and love may perversely depend on well-managed debts.
A good mechanism design aligns individual incentives with social goals.