INSIGHT
Source: 566, 567
insight. Insight, n. an inspection, view, knowledge
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In″sight′ (?), n. 1. 1. A sight or view of the interior of anything; a deep inspection or view; introspection; — frequently used with into.
He had an insight into almost all the secrets of state. Jortin. 2. 2. Power of acute observation and deduction; penetration; discernment; perception.
Quickest insight In all things that to greatest actions lead. Milton.