106 Quotes by Edsger Dijkstra

Ciência da Computação tem tanto a ver com o computador como a astronomia com o telescópio, a biologia com o microscópio, ou a química com os tubos de ensaio. A ciência não estuda ferramentas, mas o que fazemos e o que descobrimos com elas.

Teaching COBOL ought to be regarded as a criminal act.

The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

About the use of language: it is impossible to sharpen a pencil with a blunt axe. It is equally vain to try to do it with ten blunt axes instead.

The computing scientist's main challenge is not to get confused by the complexities of his own making.

Mathematicians are like managers - they want improvement without change.

If debugging is the process of removing software bugs, then programming must be the process of putting them in.

Computer science is no more about computers than astronomy is about telescopes.

Much of the excitement we get out of our work is that we don't really know what we are doing.