领导力的挑战在于强大而不粗鲁;善良而不软弱;大胆而不霸道;深思熟虑而不懒惰;谦逊而不胆怯;自豪而不傲慢;幽默而不愚蠢。
Psychology should concern itself not with static elements, but with the dynamic interplay between organism and environment.
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。