In the matter of physics, the first lessons should contain nothing but what is experimental and interesting to see. A pretty experiment is in itself often more valuable than twenty formulae extracted from our minds.
If someone hates or loves something, then right on. I can't rob them of that. I'm not going to try and change their mind. Something's been triggered in them to react so emotionally.
Whether we love humanity or not, we must realize that we are part of it. My future depends entirely on the future of humanity, and so I am compelled to take care of humanity. That is why being compassionate is actually in my own best interest. And a symptom of my own peace of mind is that I can share comfort with others around me.
Wit and puns aren't just décor in the mind; they're essential signs that the mind knows it's on, recognizes its own software, can spot the bugs in its own program.
Nakedness is uncomely, as well in mind as body, and it addeth no small reverence to men's manners and actions if they be not altogether open. Therefore set it down: That a habit of secrecy is both politic and moral.