Improper breathing is a common cause of ill health. If I had to limit my advice on healthier living to just one tip, it would be simply to learn how to breathe correctly. There is no single more powerful -or more simple- daily practice to further your health and well being than breathwork.

Alternative models are neither right nor wrong, just more or less useful in allowing us to operate in the world and discover more and better options for solving problems.

I think instead [of happiness] we should be working for contentment... an inner sense of fulfillment that's relatively independent of external circumstances.

Get people back into the kitchen and combat the trend toward processed food and fast food.

It's rare - too rare, I have to say - for botanists to become doctors.

Among other things, neuroplasticity means that emotions such as happiness and compassion can be cultivated in much the same way that a person can learn through repetition to play golf and basketball or master a musical instrument, and that such practice changes the activity and physical aspects of specific brain areas.

The desire to transcend one's own ego boundaries, to share completely, even for a moment, the consciousness of another person must be a universal longing. It motivates many of our activities from taking drugs to making love, and lies behind the search for new ways of getting close to one another that is so intense in our society today.