孩子是最诚实的评论家;他们会直接告诉你他们的想法。
The only real mistake is the one from which we learn nothing.
The best way to predict the future is to create it.
成功辨识的关键是找到一个足够灵活的模型结构,以捕捉系统的基本特征,同时又足够简单,可以从现有数据中估计出来。
Seduction is always more singular and sublime than sex and it commands the higher price.