A Quote by Edsger Dijkstra

Beware of "the real world". A speaker's apeal to it is always an invitation not to challenge his tacit assumptions. — © Edsger Dijkstra
Beware of "the real world". A speaker's apeal to it is always an invitation not to challenge his tacit assumptions.
We should always remember that it is by His invitation that we come to His holy house, the temple of the Lord. We should respond to His invitation by being worthy, by being prepared, and by having the temple as a priority in our lives. While in the temple we should act as if we are in His holy presence.
From the outset, however, this whole controversy has been plagued by tacit assumptions, very often of a philosophical rather than a physical character.
We have a tendency to make assumptions about everything! The problem with making assumptions is that we believe they are truth. We could swear they are real. We make assumptions about what others are doing or thinking-we take it personally-then we blame them and react by sending emotional poison in our word. That is why whenever we make assumptions, we're asking for problems. We make assumptions, we misunderstand, we take it personally, and we end up creating a whole big drama for nothing.
Beware of economists who hide assumptions.
The screen is a window through which one sees a virtual world. The challenge is to make that world look real, act real, sound real, feel real.
The four cautions: Beware a woman in front of you, beware a horse behind of you, beware a cart beside of you, and beware a priest every which way.
While tacit knowledge can be possessed by itself, explicit knowledge must rely on being tacitly understood and applied. Hence all knowledge is either tacit or rooted in tacit knowledge. A wholly explicit knowledge is unthinkable.
There are three things to beware of through life: when a man is young, let him beware of his appetites; when he is middle-aged, of his passions; and when old, of covetousness, especially.
Your assumptions are your windows on the world. Scrub them off every once in a while or the light won't come in. If you challenge your own, you won't be so quick to accept the unchallenged assumptions of others. You'll be a lot less likely to be caught up in bias or prejudice or be influenced by people who ask you to hand over your brains, your soul or your money because they have everything all figured out for you.
We [MIT Smart Cities research group] try to identify the fundamental underlying design assumptions that everybody takes as a sort of given and unchallengeable when you think about solving these problems. And we try to challenge those assumptions.
Beware of assumptions that seem "obvious" in one decade. They may become quaint in the next.
It is quite easy to debase the sport, change its values, dilute its ethics and destroy its traditional associations with quietness, relaxation and the opportunity to think. Angling is not a competitive sport. The fisherman'- s only real competition is with his quarry and his only real challenge is the challenge to himself. Nothing can add to this, but the blight of interhuman competition can certainly detract from it.
Never stop asking yourself whether you can do things better. Keep testing every aspect of your business to the nth degree, and challenge every one of your assumptions. The tougher you are on yourself now, the tougher your business will be out there in the real world.
A lot of 'Shonen Jump' anime, you see a lot of battles, a lot of aggression, and it's very relatable to players. There's a hero, and he has to go through a lot of rough training, put his body through the unthinkable so that he can save the world or do his task. His or her challenge is saving the world; our challenge is winning the game.
Playing is no challenge; every time that you get a role you get to go play with other people in the sandbox and so there is no challenge, real challenge. The challenge, the major challenge is getting the work, finding the sandbox.
A story is an invitation, and a challenge, and a choice.
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