What we do not call education is more precious than that which we call so. We form no guess, at the time of receiving a thought, of its comparative value. And education often wastes its effort in attempts to thwart and balk this natural magnetism, which is sure to select what belongs to it.
But the disappearance of the effort to let go is precisely the disappearance of the separate thinker, of the ego trying to watch the mind without interfering.
It cannot but be injurious to the human mind never to be called into effort: the habit of receiving pleasure without any exertion of thought, by the mere excitement of curiosity, and sensibility, may be justly ranked among the worst effects of habitual novel-reading.
But instinct is something which transcends knowledge. We have, undoubtedly, certain finer fibers that enable us to perceive truths when logical deduction, or any other willful effort of the brain, is futile.
If you know your being, there is no question of becoming. All that you could have ever imagined to become you already are. You are gods who have forgotten who they are. You are emperors who have fallen asleep and are dreaming that they have become beggars. Now beggars are trying to become emperors, in dreams they are making great efforts to become emperors, and all that is needed is to wake up!" Osho
It is worthwhile for one to make an effort to achieve happiness. Just as the purpose of a plant is to grow, so it is that the main purpose of every human being is to survive and to grow until death.
Essentially Satori is a sudden experience, and it is often described as a "turning over" of the mind, just as a pair of scales will suddenly turn over when a sufficient amount of material has been poured into one pan to overbalance the weight in the other. Hence it is an experience which generally occurs after a long and concentrated effort to discover the meaning of Zen.