One only needs to read twentieth-century history to see that it has been the climax of human madness, if it's measured in terms of human violence inflicted on other humans.

Are you polluting the world or cleaning up the mess? You are responsible for your inner space; nobody else is, just as you are responsible for the planet. As within, so without: If humans clear inner pollution, then they will also cease to create outer pollution.

Realize deeply that the present moment is all you ever have. Make the Now the primary focus of your life.

Stress is a form of suffering. Look at your body and see what stress does to the body and its functions - what it does to the heart, the circulation, the immune system, the digestive function, the liver.

Even my desire to become free or enlightened is just another craving for fulfillment or completion in the future. So don’t seek to become free or desire or “achieve” enlightenment. Become present.

...there are two ways of being unhappy: One is not getting what you want, and the other is getting what you want.

So far for humans it has been the case that ego develops and then humans are stuck with it for the rest of their lives.