In 1985, David Deutsch, one of the pioneers of this area, published a landmark paper in quantum computation, “Quantum theory, the Church-Turing principle and the universal quantum computer.” In this paper he described quantum computers and how they differed from conventional computers. The question was whether quantum computers were more computationally powerful than traditional computers. It took some time, but the conclusion was that they were not.

— Chris Bernhardt, Turing’s Vision

To think rationally means adopting appropriate goals, taking the appropriate action given one’s goals and beliefs, and holding beliefs that are commensurate with available evidence.

— Keith E. Stanovich, What Intelligence Tests Miss

Directing an entire organization is hard. Seeming to direct it, on the other hand, is easy. All you have to do is note which way the drift is moving and instruct the organization to go that way.

— Tom DeMarco, Slack

I will ask on my own account here, an idle question: which is better — cheap happiness or exalted sufferings? Well, which is better?

— Notes from the Underground, Fyodor Dostoyevsky

What does “scarce” mean? It means that what everybody wants adds up to more than there is.

— Thomas Sowell, Basic Economics