C. A. R. HOARE

 
There are two ways of constructing a software design: One way is to make it so simple that there are obviously no deficiencies, and the other way is to make it so complicated that there are no obvious deficiencies. The first method is far more difficult.
- C. A. R. Hoare
Premature optimization is the root of all evil in programming.
- C. A. R. Hoare - often misattributed to D. E. Knuth,who was himself quoting Hoare
I was eventually persuaded of the need to design programming notations so as to maximize the number of errors which cannot be made, or if made, can be reliably detected at compile time.
- C. A. R. Hoare
In the development of the understanding of complex phenomena, the most powerful tool available to the human intellect is abstraction. Abstraction arises from the recognition of similarities between certain objects, situations, or processes in the real world and the decision to concentrate on these similarities and to ignore, for the time being, their differences.
- C. A. R. Hoare
Inside every well-written large program is a well-written small program.
- C. A. R. Hoare
The unavoidable price of reliability is simplicity.
- C. A. R. Hoare
You cannot teach beginners top-down programming, because they don't know which end is up.
- C. A. R. Hoare
If words could cure the ills of our profession of programming, how healthy and highly respected a profession it now would be.
- C. A. R. Hoare