数学的研究是所有智力和精神进步不可或缺的基础。
The study of mathematics is the indispensable basis for all intellectual and spiritual progress.
Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers.
Aquaculture is not just an industry, it is the art of sustainable development.
Science is a journey, not a destination.