释义：跟交情浅的朋友说过多的隐私的事情，是愚蠢的。提醒人们在与人交往时，要根据实际情况和关系的深浅，采取适当的态度和行动。

True wisdom is in knowing one's own ignorance.

I like dogs. You always know what a dog is thinking. It has four moods. Happy, sad, cross and concentrating. Also, dogs are faithful and they do not tell lies because they cannot talk.

最成功的企业是那些以人为本的企业。