In order to be happy we must first possess inner contentment; and inner contentment doesn't come from having all we want; but rather from wanting and appreciating being grateful for all we have.
Dalai LamaUltimately, the decision to save the environment must come from the human heart. The key point is a call for a genuine sense of universal responsibility that is based on love, compassion and clear awareness.
Dalai LamaOn 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.
Dalai LamaIs this what you have in mind,' I asked the Dalai Lama, 'when you say in teachings that the buddhas and bodhisattvas of the world are the most selfish beings of all, that by cultivating altruism they actually achieve ultimate happiness for themselves?' Yes. That's wise selfish,' he replied. 'Helping others not means we do this at our own expense. Not like this. Buddhas and bodhisattvas, these people very wise. All their lives they only want one thing: to achieve ultimate happiness. How to do this? By cultivating compassion, by cultivating altruism.
Dalai Lama