释义：眼睛随便乱看就会使你惑乱，耳朵随意乱听就会使你迷惑，嘴巴随意胡说就会给你带来乱子。警示人们在日常生活中要保持谨言慎行的态度，以免招来祸患。

I am so clever that sometimes I don’t understand a single word of what I am saying.

Confidence isn't optimism or pessimism, and it's not a character attribute. It's the expectation of a positive outcome.