实现明天的唯一限制将是我们今天的疑虑。
The mind is not a mirror of the world, but an instrument for dealing with it.
We are all products of deep time.
可持续发展不是一种选择，而是现代经济中生存的必要条件。
攻击我很厉害我也回敬得很厉害，攻击我很轻微我也回敬得很轻微。
I respect all my opponents because they make me better.
The biggest pressure is the pressure I put on myself.