有用是这些老人曾经对自己最好的希望,而无目的是他们最深的恐惧。
"To be useful was the best thing the old men ever hoped for themselves, and to be aimless was their worst fear."
The only limit to our realization of tomorrow will be our doubts of today.
Technology can revolutionize aquaculture, but only if we apply it wisely.