The compromise will always be more expensive than either of the suggestions it is compromising.

Friends come and go but enemies accumulate.

Any given program will expand to fill all available memory.

If you improve or tinker with something long enough, eventually it will break or malfunction.

Don't force it... get a bigger hammer.

Investment in reliability will increase until it exceeds the probable cause of errors, or until someone insists on getting some useful work done.

First Rule of Acting: Whatever happens, look as if it were intended.