You are beautiful, no matter what they say.
An opinion should be the result of thought, not a substitute for it.
Public opinion is no more than this: what people think that other people think.
One should as a rule respect public opinion in so far as is necessary to avoid starvation and to keep out of prison, but anything that goes beyond this is voluntary submission to an unnecessary tyranny, and is likely to interfere with happiness in all kinds of ways.
There's something to be said in favor of working in isolation in the real world.
I am certain there is too much certainty in the world.
The ability to destroy your ideas rapidly instead of slowly when the occasion is right is one of the most valuable things. You have to work hard on it. Ask yourself what are the arguments on the other side. It’s bad to have an opinion you’re proud of if you can’t state the arguments for the other side better than your opponents. This is a great mental discipline.