Wise words are good to here, but hard to live by. These are my 'mantras' at the moment, and I'm hoping sticking by these will help other things fall into place...
Grab life by the balls / the bull by the horns. Less dangerous than 'carpe diem' because you can keep your future in mind, just literally grab what moments you do come by, and love them to the fullest.
Trust in your heart, your head, and those that you love.
Let honesty and openness to situations guide you.
Don't let the bastards get you down. (yes, it's a quote from the O.C) - also relating to negativity and the oppressive power of anger
And lastly, keep smiling, because no one else knows what you're smiling about.