农业中的每一个挑战都是创新的机会。
Science is a tool for empowerment, not control.
不要担心你在数学上遇到的困难;我敢保证我遇到的困难比你还大得多。
With freedom, books, flowers and the moon who could not be happy?
Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers.