Whenever I need motivation to cycle in to work, I think of Mel Gibsons 'Braveheart' speech.
"Aye, cycle and you'll get wet. Drive, and you'll be dry....at least for a while. And dying in your beds, many years from now, would you be willin' to trade ALL the days, from this day to that, for one chance, just one chance, to come back here and tell our workmates that they may take the mickey, but they'll never take....OUR FREEDOM, to cycle in to work."
erm, I may be paraphrasing.