Some immutable laws of Software engineering (Note: There Laws weren't framed by me).

1. Good programmers know what to write. Great ones know what to rewrite (and reuse).
2. Keep It Simple, Stupid (KISS). It's not hard to outsmart yourself.
3. Software documentation is like sex: when it is good, it is very, very good; and when it is bad, it is better than nothing. - Anonymous
4. There are two ways of constructing a software design: one way is to make it so simple that there are obviously no deficiencies; the other way is to make it so complicated that there are no obvious deficiencies. - C.A.R. Hoare
5. Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning. - Rich Cook
6. If everything seems to be going well, you have obviously overlooked something. - Murphy's law
7. Rules for Real programmers -
   • Real programmers don't write specs - Users should consider themselves lucky to get any programs at all and take what they get.
   • Real programmers don't comment their code. If it was hard to write, it should be hard to read.
   • Real programmers don't write API programs, they program right down on the bare metal. API programming is for dweebs who can't do systems programming.
   • Real programmers don't write in Fortran. Fortran is for pipe stress freaks and crystallography weenies.
   • Real programmers never work 9 to 5. If any real programmers are around at 9 AM, it's because they were up all night.
   • Real programmers don't write BASIC. Actually, no programmers write in BASIC, after the age of 12.
   • Real programmers don't document. Documentation is for simps who can't read the listings or the object deck.
   • Real programmers think structured programming is a communist plot.