“ You should try not to talk so much, friend. You'll sound far less stupid that way ”
Source: The Final Empire
Similar Quotes
If you don't know what you're talking about, the best thing is to shut up. Silence will breed wisdom. 
If you can't explain it to a six year old, you don't understand it yourself. 
Now, the trouble about trying to make yourself stupider than you really are is that you very often succeed. 
