尽管我们不被允许深入自然的奥秘并从中了解现象的真实原因，但某种虚构的假设可能足以解释许多现象。

当下总是不稳定的地方，而过去是我们自以为知道身在何处的地方。

The fish in the water is silent, the animal on the earth is noisy, the bird in the air is singing. But Man has in him the silence of the sea, the noise of the earth and the music of the air.

唯一真正的生活是精神的生活。