Those who recognize the existence of suffering, its cause, its remedy, and its cessation, have fathomed the four noble truths. They will walk in the right path.
Gautama BuddhaWherever there is light, there is shadow; wherever there is length, there is shortness; wherever there is white, there is black. Just like these, as the self-nature of things can not exist alone, they are called non-substantial.
Gautama Buddha