Imagine a limitless expanse of water: above and below, before and behind, right and left, everywhere there is water. In that water is placed a jar filled with water. There is water inside the jar and water outside, but the jar is still there. The 'I' is the jar.
The best way to prove the clearness of our mind, is by showing its faults; as when a stream discovers the dirt at the bottom, it convinces us of the transparency and purity of the water.
As muddy water is best cleared by leaving it alone, it could be argued that those who sit quietly and do nothing are making one of the best possible contributions to a world in turmoil.
If a big wave came at the wrong moment, it would sweep me off into forty-eight-degree water, where I might last twenty minutes. Drowning quickly might be better.