Everything is always done for the wrong reasons.
Everything put together sooner or later falls apart.
Everything should be made as simple as possible, but no simpler.
Everything takes longer than you think.
Everything tastes more or less like chicken.
Everything worthwhile is mandatory, prohibited, or taxed.
Everything you know is wrong, but you can be straightened out.
Excellence can be attained if you care more than others think is wise, risk more than others think is safe, dream more than others think is practical, expect more than others think is possible.
Exceptions always outnumber rules.