The crows assert that a single crow could destroy the heavens. This is certainly true, but it proves nothing against the heavens, because heaven means precisely: the impossibility of crows.

By examining the nature of friendliness one understands its natural basis. To one who is established in harmlessness and love, the world is his friend. One can then enjoy open and mutually supportive human relationships and open and mutually supportive relationships with all forces of nature.

To know oneself is to observe what one thinks, how one feels, not just superficially, but to be deeply aware of what is without condemnation, without judgment, without evaluation or comparison. Try it and you will see how extraordinarily difficult it is for a mind that has been trained for centuries to compare, to condemn, to judge, to evaluate, to stop that whole process and simply to observe what is; but unless this takes place, not only at the superficial level, but right through the whole content of consciousness, there can be no delving into the profundity of the mind."