Our first impressions are generated by our experiences and our environment, which means that we can change our first impressions . . . by changing the experiences that comprise those impressions.
In order to share one's true brilliance one initially has to risk looking like a fool: genius is like a wheel that spins so fast, it at first glance appears to be sitting still.
What people say and feel about you when you've left a room is precisely your job while you are in it.