Human beings, viewed as behaving systems, are quite simple. The apparent complexity of our behavior over time is largely a reflection of the complexity of the environment in which we find ourselves.

实际发展水平与潜在发展水平之间的距离，前者由独立解决问题决定，后者由在成人指导下或与更有能力的同伴合作解决问题决定。

【译文】古人学习的人是为了提高自己，现在学习的人是为了炫耀给别人看。

风险管理不是规避风险，而是理解并减轻风险。

Quality begins long before the first cut is made - it begins with the right mindset.

The purpose of computing is insight, not numbers.

一切都是来自于世界的造物主之手的善良；一切都在人手中堕落。