I think this is very important for all of us .. which I took from the site : http://www.buddhistchannel.tv/index.php?id=6,3688,0,0,1,0
With so much of talk about everyone being busy, Ajahn Brahm insisted that meditation is ideal for busy people. “Even if you are a busy person, it is more important to be able to spend some time being peaceful. If you don't learn how to be peaceful, you soon get very, very tired.”
To explain how meditation helps you, he used a simple exercise lifting the half-filled glass of water he had in front of him. "Say I am lifting up this glass of water and you ask me how heavy it is. If I keep holding the glass of water for five minutes, it appears quite heavy. If I continue to hold the glass for half an hour, I will be in quite a lot of pain. If I keep on holding it for two hours, I would be a stupid monk. When it starts to get heavy, what should I do? Put it down — let it go. I don't need to throw the glass of water away — I just put it down for, may be for 20 seconds. When I pick it up again, it feels lighter because I have rested.
“The problem of stress in our modern world is not because we do too much — it's because we don't know how to put our burdens, our responsibilities down for a few minutes and rest and relax. All we need to do is to rest for 15 or 20 minutes in meditation and afterwards we find ourselves so relaxed, we can carry the burdens of life without so much stress. That is what meditation is — learning how to relax so that you can do more with less stress,” he said.
Pointing out that meditation is the heart of Buddhist tradition, he said the Buddha became enlightened when He was meditating and that it was part of Buddhist heritage. “Learn the basics from a monk or a lay teacher and you will find it wouldn't harm the quality of your life. You will be a happier person. A Harvard professor last year published a paper after following meditation for seven years and found that your brain increases in size in meditation. You become more intelligent when you meditate. Find a place and just learn how to relax the mind. Bring some peace into your mind and increase your intelligence - for no charge!" he advised.