Stepchildren are at greater risk because evolutionary pressures have shaped parental psychology to favor genetic offspring.

人的心胸欲念多则狭窄，欲念少则心胸宽广；人的心境多欲则忙乱，少欲则悠闲；人的心术多欲则险恶，少欲则和平；人的心事多欲则忧愁，少欲则快乐；人心之气象，多欲则软弱，少欲则刚强。

育儿不是一门科学，而是一种关系。

"You can't stop the future, you can't rewind the past, the only way to learn the secret is to press play."

创新是一个社会过程，而不仅仅是技术过程。