Never borrow your best friend's bicycle if you don't know how to ride a two-wheeler without training wheels.
Never pretend to yourself that you understand those dreadful word problems in algebra.
Never study astronomy if all you really want to do is gaze at the full moon.
Never try to follow an elaborate recipe for a main course if at heart you only love to bake bread.
Never count on being able to renew a library book you haven't finished, or worse, haven't even started.
Never buy beautiful journals in the hope that their elegance will draw forth beautiful writing.
Never expect that any kisses after the first one will be as delicious.
Never trust what your stomach is telling you when you are buying pastries.
Never imagine that you will ever reach the end of your To Do lists.
Never expect that the bulbs you plant in the fall will come up where you artfully planted them.
Never expect that your flowers will grow faster than the weeds.
Never imagine that your most cherished childhood memories are the same ones as your sisters'.
Never pass up the chance for corn on the cob or fresh strawberries.
Never hope that you'll be able to fit into those old jeans, stashed in the back of your closet.
Never delude yourself when times are hard that things will seem better in the morning.
Never have hope that an old lover will return.
Never turn your back on someone who has treated you cruelly.
Never think twice about smiling at someone — friend or stranger.
Never forget your water bottle and rain parka when hiking in the fall.
Never, ever, regret all those things you didn't do yesterday, last week, or earlier in your life.