All experience is an arch, to build upon.

An arch never sleeps.

Now we are under the arch, and it is so cold.

If you build that foundation, both the moral and the ethical foundation, as well as the business foundation, and the experience foundation, then the building won't crumble.

All experience is an arch wherethrough gleams that untravelled world whose margin fades for ever and for ever when I move.

Without stones there is no arch.