Confucius
Listen widely to remove your doubts and be careful when speaking about the rest and your mistakes will be few.
More quotes and aphorisms
It may be the cock that crows, but it is the hen...Lust and greed are more gullible than innocence...With a gentleman I am always a gentleman...God's my best friend...No one really has a bad life. Not even a bad day...Progress is impossible without change...