On a certain day, month and year one should observe the ceremony of tree-planting. Thus, one fulfils one's responsibilities, serves one's fellow-beings which not only brings happiness but benefits all.

The root of happiness is altruism - the wish to be of service to others.

I think governments can't do much.

Human use, population, and technology have reached that certain stage where mother Earth no longer accepts our presence with silence.

The various features and aspects of human life, such as longevity, good health, success, happiness, and so forth, which we consider desirable, are all dependent on kindness and a good heart.

The key to human happiness lies within our own state of mind, and so too do the primary obstacles to that happiness.

When we are angry we are blind to reality. Anger may bring us a temporary burst of energy, but that energy is blind and it blocks the part of our brain that distinguishes right from wrong. To deal with our problems, we need to be practical and realistic. If we are to be realistic, we need to use our human intelligence properly, which means we need a calm mind.