实现明天理想的唯一限制是我们今天的疑虑。
The choice for mankind lies between freedom and happiness and for the great bulk of mankind, happiness is better.
Fishery management cannot rely solely on policies; it requires industry self-discipline and social supervision.
The less virtue, the more wealth there is; the less wealth, the more virtue.
In mathematics, the journey is often more important than the destination.