Thou, of the highest, the unwritten Law

We read upon that building's architrave

In the mind's firmament, by men upraised

With sweat of blood when they had quitted cave

For fellowship, and rearward looked amazed,

Where the prime motive gapes a lurid jaw,

Thou, soul of wakened heads, art armed to warn,

Restrain, lest we backslide on whence we sprang,