In order to develop the willpower it takes to sacrifice, you must first realize that spending all your time and energy pursuing material comforts means you will eventually suffer. It's all about positive and negative consequences. It's very important to be aware that there are long-term consequences [for every action].
Dalai LamaWhile it is all very well to distinguish happiness that is transient from that which is lasting, between ephemeral and genuine happiness, the only happiness it is meaningful to speak of when a person is dying from thirst is access to water.
Dalai LamaWe know that to wage a nuclear war today, for example, would be a form of suicide; or that to pollute the air or the oceans in order to achieve some short-term benefit would be to destroy the very basis for our survival.
Dalai Lama