Because of its phantom nature, and despite elaborate defense mechanisms, the ego is very vulnerable and insecure, and it sees itself as constantly under threat. This, by the way, is the case even if the ego is outwardly very confident.
Eckhart TolleThe future does not exist, because nobody has ever experienced it. You can only ever experience a present moment.
Eckhart TolleJust watching an animal closely can take you out of your mind and bring you into the present moment, which is where the animal lives all the time - surrendered to life.
Eckhart Tolle