Don't go grocery shopping on an empty stomach. You will find yourself a half hour later with bags filled with delicious food that will last longer than your hunger.

Notice your mannerisms, especially if you say a word or phrase repeatedly and/or repeat a movement over and over again.  No matter how nice, funny, or endearing you are, things like that tend to grate on people's nerves.

There is such a thing as studying too much. You know when you have hit that point when you write down: Telekinesis instead of Telophase when describing the phases of the cell cycle. This is when you take a break and go to bed.

The longer it takes to reach a victory, the sweeter the victory.  Share the burden in defeat, share the spoils in triumph.

Taking a walk down memory lane is good once in awhile. It reminds you of where you grew up, the things you did and what you have left behind. It also reminds you of the life that you didn't want: married at 20 and working at a restaurant.

Subordinates, for the most part, are negligible.  However, running straight towards a boss while ignoring his minions will get you killed.  Multiple times.

After a few years of not playing a sport, it is always a great experience to play again. Regardless of if you even come close to hitting the basket when shooting, the fun that comes with holding the ball and shooting it outweighs all the other embarrassment.

To be a ghost, a ninja, a wallflower...they certainly have their perks.  One of these is the ability to unintentionally eavesdrop on a potentially fruitful or entertaining conversation.

Be careful...those topiaries may not be topiaries...

When something unexpected happens and it is not within your control, keep your calm and everything will be alright. By becoming upset will only provoke the situation and make it worse.

Sometimes (read:  oftentimes), a person who is incredibly, incredibly book smart does not transfer that capacity for knowledge over to everyday things.

It's important to have both book smarts and street smarts...