I've learned .... That when you harbor bitterness, happiness will dock elsewhere.
One of the sweetest things in life: a letter from a friend.
I'd like to be rich enough so I could throw soap away after the letters are worn off
I've learned... That when your newly born grandchild holds your little finger in his little fist, that you're hooked for life.
I've learned that life is like a roll of toilet paper. The closer it gets to the end, the faster it goes.
No matter what any of the grammar teachers say, punctuation is an arbitrary matter. It should be used to make sentences clear.