Nothing can temper the spirit of a warrior as much as the challenge of dealing with impossible people in positions of power. Only under those conditions can warriors acquire the sobriety and serenity to withstand the pressure of the unknowable.

You may control a mad elephant; You may shut the mouth of the bear and the tiger; Ride the lion and play with the cobra; By alchemy you may learn your livelihood; You may wander through the universe incognito; Make vassals of the gods; be ever youthful; You may walk in water and live in fire; But control of the mind is better and more difficult.

You have to have a lot of ideas. First, if you want to make discoveries, it's a good thing to have good ideas. And second, you have to have a sort of sixth sense-the result of judgment and experience-which ideas are worth following up. I seem to have the first thing, a lot of ideas, and I also seem to have good judgment as to which are the bad ideas that I should just ignore, and the good ones, that I'd better follow up.

If I see anything vital around me, it is precisely that spirit of adventure, which seems indestructible and is akin to curiosity.

Every man, however wise, needs the advice of some sagacious friend in the affairs of life.

Meditation means you start changing your inner world. You start removing dust from the inner world, you start removing all that is unnecessary in the inner world. You remove all that clutter, all the rubbish you are full of. Meditation means emptying yourself of all that the society has put inside you so that you can have a clean, clear vision, so that you can have a mirror-like quality.