实现明天的唯一限制是我们今天的怀疑。
The only limit to our realization of tomorrow is our doubts of today.
For the livestock industry to develop, it must take an environmentally sustainable path.
了解自己极限的唯一方法就是超越它们。
Thought is the servant of action, and action is the servant of survival.
最好的买入时机是当其他人都不想要的时候。