Computer science is no more about computers than astronomy is about telescopes. ~E. W. Dijkstra.
Science is to computer science as hydrodynamics is to plumbing. ~Stan Kelly-Bootle.
The principal focus of computer science is studying the properties of computation in general, while the principal focus of software engineering is the design of specific computations to achieve practical goals, making the two separate but complementary disciplines. ~David Parnas
Science is built up with facts, as a house is with stones. But a collection of facts is not more a science than a heap of stones is a home. ~Henri Poincare.
A well-spent day brings happy sleep. ~Leonardo da Vinci.
Anyone who conducts an argument by appealing to authority is not using his intelligence; he is just using his memory. ~Leonardo da Vinci.
Life is pretty simple: You do some stuff. Most fails. Some works. You do more of what works. If it works big, others quickly copy it. Then you do something else. The trick is the doing something else. ~Leonardo da Vinci.
Simplicity is the ultimate sophistication. ~Leonardo da Vinci.
You never truly understand something until you can explain it to your grandmother. ~Albert Einstein
If you can't feed a hundred people, then feed just one. ~Mother Teresa
[Peace] can only be achieved by understanding. ~Albert Einsten
Genius is one percent inspiration and ninety-nine percent perspiration. ~Thomas Edison