In the middle 1970s an astronomer I admire put together a modest manifesto called "Objections to Astrology" and asked me to endorse it. I struggled with his wording, and in the end found myself unable to sign, not because I thought astrology has any validity whatever, but because I felt (and still feel) that the tone of the statement was authoritarian.

we make our world significant by the courage of our questions and the depth of our answers

Science is only a Latin word for knowledge

The fact that someone says something doesn't mean it's true. Doesn't mean they're lying, but it doesn't mean it's true.

We began as wanderers, and we are wanderers still.

Extraordinary claim requires extraordinary proof.

Eratosthenes's only tools were sticks, eyes, feet, and brains; plus a zest for experiment. With those tools he correctly deduced the circumference of the Earth, to high precision, with an error of only a few percent. That's pretty good figuring for 2200 years ago.