食品安全是水产养殖的生命线，任何时候都不能放松。
激发生命，让生命自由发展，这是教育者的首要任务。
Energy security is the lifeline of national development. We must unswervingly promote oil and gas exploration and development to ensure national energy supply.
Old minds are like old horses; you must exercise them if you wish to keep them in working order.
The art of discovery is not in finding new lands but in seeing with new eyes.