This is a very true quote, meaning that you should never give up, for the greatest thing in your life might be right around the corner. If you give in to temptation, you may never find out what success you could have had.
Sometimes, two people have to fall apart to realize how much they need to fall back together. So true. We did but realised that together is where we are meant to be. Couldn't ever bear the thought of being apart again.