All things are difficult before they are easy. Assume the worst, you'll never be disappointed. Be bold in what you stand for and careful what you fall for. Best way to be useful - stay out of the way. Better to understand a little than to misunderstand a lot.
Common sense is the least common of all senses.
Discoveries are made by not following instructions. Doing it the hard way is always easier. Don't let your superiors know you're superior to them. Don't question authority, it doesn't know either. Enlightenment is not a destination, but a journey.