Science ... looks skeptically at all claims to knowledge, old and new. It teaches not blind obedience to those in authority but to vigorous debate, and in many respects that's the secret of its success.
Do not look only at yourself, and you will see much. Do not justify yourself, and you will be distinguished. Do not brag, and you will have merit. Do not be prideful, and your work will endure.
In the beginning there was only a small amount of injustice abroad in the world, but everyone who came afterwards added their portion, always thinking it was very small and unimportant, and look where we have ended up today.
I have never been insecure, ever, about how I look, about what I want to do with myself. My mum told me to only ever do things for myself, not for others.
The further and further we look out with our telescopes and the further and further we look in with our microscopes, the larger and larger and smaller and smaller the universe becomes in order to escape the investigation because we are the universe looking at itself.