Many significant advances in our understanding of the cosmos are by-products of government investment in the apparatus of warfare, and many innovative instruments of destruction are by-products of advances in astrophysics.

— Neil deGrasse Tyson and Avis Lang, Accessory

Part of the strength of mathematics is that it expresses universal truths but is able to express them in different ways.

— Matt Parker, Things to Make and Do in the Fourth Dimension

The kernel is probably as far as the correctness proof technique should be applied.

— Frederick P. Brooks Jr., The Design of Design

In short, the fragilista (medical, economic, social planning) is one who makes you engage in policies and actions, all artificial, in which the benefits are small and visible, and the side effects potentially severe and invisible.

— Nassim Nicholas Taleb, Antifragile

Principles without practices are empty shells, whereas practices without principles tend to be implemented by rote, without judgement. Principles guide practices. Practices instantiate principles. They go hand in hand.

— Jim Highsmith, Agile Project Management