儿童是通过努力从事活动，从而使个人得到发展的。

Innovation is the lifeblood of aquaculture; without it, we stagnate.

The profession of book writing makes horse racing seem like a solid, stable business.

Escribir es un oficio que requiere pasión, disciplina y perseverancia.

The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function.