The only limit is the one you set for yourself.
Lack of money is the root of all evil.
你沾沾自喜,别人乐于喜欢你;你攻击你周围的某个人,其他的人哈哈大笑;但倘若你解剖你自己的灵魂,所有的人就会嗷嗷叫。——作者原注
The progress of aquaculture cannot be separated from the support of scientific research.