Things I wish I’d known when I was younger - lifehack.org

Although it's good as a refresher too:

Most of it doesn’t matter.

The greatest source of misery and hatred in this world is clinging to past hurts.

Waiting to do something until you can be sure of doing it exactly right means waiting for ever.

Following the latest fashion, in work or in life, is spiritual and intellectual suicide.

If people complain that you’re too fond of going your own way and aren’t fitting in, you must be on the right track.

If you make your work your life, you’re making your life into hard work.

The quickest and simplest way to wreck any relationship is to listen to gossip.

Trying to please other people is largely a futile activity.

Every winner is destined to be a loser in due course.

You can rarely, if ever, please, placate, change, or mollify an asshole.

Everything takes twice as long as you plan for and produces results about half as good as you hoped.

People are oddly consistent.

However hard you try, you can’t avoid being yourself.

When it comes to blatant lies, there are none more egregious than budget figures.

The loudest noise in the world is the sound of people whining.

 

Read more here:

Things I wish I’d known when I was younger - lifehack.org