Scroll down
One person's data is another person's program.
With enough practice, any interface is intuitive.
Hindsight is an exact science.
It's not a bug - it's an undocumented feature.
Program testing can be used to show the presence of bugs, but never to show their absence!
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.
From More Programming Pearls: Confessions Of A Coder.
Proverb
Measuring programming progress by lines of code is like measuring aircraft building progress by weight.
From wikiquotes.org
Software is like sex: it's better when it's free.