研究学习的唯一有意义的方法是通过客观测量。

为爱而爱，是神；为被爱而爱，是人。

The future belongs to those who can extract value while reducing environmental impact.

Experiments on plant hybridization require the most careful attention and great patience.

【释义】：骄傲不应过度，欲望不能放纵，享乐不能极端，志向不宜自满。