Herein thou must walk thine own road, laddie.

"Certain points, left wholly to himself,

When once a man has arbitrated on,

We say he must succeed there or go hang.

. . . . he must avouch,

Or follow, at the least, sufficiently,

The form of faith his conscience holds the best,

Whate'er the process of conviction was:

For nothing can compensate his mistake

On such a point, the man himself being judge: