+Introductory Hints+.—He lived as the fool lives. The adverb clause, introduced by as, is a clause of +Manner+, and is equivalent to the adverb foolishly or to the phrase in a foolish manner.
The ground is wet because it has rained. The adverb clause, introduced by because, assigns the +Real Cause+ of the ground's being wet.
It has rained, for the ground is wet. The adverb clause, introduced by for, does not assign the cause of the raining, but the cause of our believing that it has rained; it gives the +Evidence+ of what is asserted. [Footnote: Evidence should be carefully distinguished from Cause. Cause produces an effect; Evidence produces knowledge of an effect.
Clauses of Evidence are sometimes treated as independent.]
Analysis.
The +adverb clause+ may express +manner+.
1. He died as he lived.
+Explanation+.—He died in the manner in which he lived. For diagram, see (1), Lesson 63.
2. The upright man speaks as he thinks. 3. As the upright man thinks so he speaks.
(For diagram of as … so, see when … then (3), Lesson 63.)