The only serious side-effect of #‎ marijuana is that you might get arrested.

Life and love generate effort but effort will not generate them.

... preliminary accounting, banking and surveying (known as arithmetic, algebra and geometry).

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.

Just as true humor is laughter at oneself, true humanity is knowledge of oneself.

However much I may be impressed by the difference between a star and the dark space around it, I must not forget that I can see the two only in relation to each other, and that this relation is inseparable.

Really, the fundamental, ultimate mystery -- the only thing you need to know to understand the deepest metaphysical secrets -- is this: that for every outside there is an inside and for every inside there is an outside, and although they are different, they go together.