Foolproof systems to not take into account the ingenuity of fools.
The key to getting ahead is setting aside 8 hours a day for work and 8 hours a day for sleep - and making sure they're not the same hours.
The really tough thing about humility is you can't brag about it.
The bridges that you cross before you come to them are over rivers that aren't there.
The trouble with making intelligent suggestions is that you're apt to be appointed to carry them out.
The annoying thing about being modest is that you can't brag about it.