I shall go on saying in my usual way, ‘My very good friend, you are an Athenian and belong to a city which is the greatest and most famous in the world for its wisdom and strength. Are you not ashamed that you give your attention to acquiring as much money as possible, and similarly with reputation and honour, and give no attention or thought to truth and understanding and the perfection of your soul?’ And should any of you dispute that, and profess that he does care about such things, I won’t let him go straight away nor leave him, but will question and examine and put him to the test … I shall do this to everyone I meet, young or old, foreigner or fellow-citizen.

— Plato, Apology of Socrates

Happiness is really just about four things: perceived control, perceived progress, connectedness (number and depth of your relationships), and vision/meaning (being part of something bigger than yourself).

— Tony Hsieh, Delivering Happiness

Labels are ephemeral; they tell you about as much about the structure of a graph as the list of colors tells you about the structure of a painting.

— Richard J. Trudeau, Introduction to Graph Theory

The famous mantra “Move fast and break things” goes well beyond a surrender to the inevitability of acceleration, instead making acceleration an ethical imperative.

— Adrian Daub, What Tech Calls Thinking

As with other aspects of rapid development, you have to do a lot of things right to succeed, but you only have to do one thing wrong to fail.

— Steve McConnell, Rapid Development