Be civil to all; sociable to many; familiar with few; friend to one; enemy to none.

Love is the only sane and satisfactory answer to the problem of human existence.

Innovation is the key to sustainable agriculture.

别人为食而生存，我为生存而食。

他是一个一直太骄傲而不愿寻求帮助的人，现在他太骄傲而不愿接受帮助。