1. You can't talk about ice with insects that grow in summer. Metaphor time limits people's knowledge. It also shows that people are short-sighted and unreasonable.

2. Summer insects that can't survive in winter can never understand what "ice" is, and philosophy interprets it as "cognitive limitation".

The ancients said: "A frog can't talk about the sky, but it should be empty. Summer insects can't talk about ice, monks can't talk about it, but they must teach. "

From Zhuangzi Waipian Qiushui Seventeen.

The original sentence is "summer insects can't talk to ice makers, but stick to time."