Knowledge is proud that he has learned so much;
Wisdom is humble that he knows no more.
_The Task, Bk. VI_. W. COWPER.
All things I thought I knew; but now confess
The more I know I know, I know the less.
_Works, Bk. VI_. J. OWEN.
In vain sedate reflections we would make
When half our knowledge we must snatch, not take.
_Moral Essays, Epistle I_. A. POPE.