Brainpower Is By Far Our Scarcest Resource.

[though Computer Science Is A Fairly New Discipline, It Is Predominantly Based On The Cartesian World View. As Edsgar W. Dijkstra Has Pointed Out] A Scientific Discipline Emerges With The - Usually Rather Slow! - Discovery Of Which Aspects Can Be Meaningfully 'studied' In Isolation For The Sake Of Their Own Consistency.

In The Software Business There Are Many Enterprises For Which It Is Not Clear That Science Can Help Them; That Science Should Try Is Not Clear Either.

Program Testing Can Be Used To Show The Presence Of Bugs, But Never To Show Their Absence!

If Debugging Is The Process Of Removing Software Bugs, Then Programming Must Be The Process Of Putting Them In.

We Are All Shaped By The Tools We Use, In Particular: The Formalisms We Use Shape Our Thinking Habits, For Better Or For Worse, And That Means That We Have To Be Very Careful In The Choice Of What We Learn And Teach, For Unlearning Is Not Really Possible.