Samuel Johnson Quotes: Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very ...

Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very idle. (Samuel Johnson)

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Samuel Johnson Quotes: Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very idle.

Samuel Johnson Quotes: Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very idle.

Samuel Johnson Quotes: Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very idle.

Samuel Johnson Quotes: Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very idle.

Samuel Johnson Quotes: Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very idle.

Samuel Johnson Quotes: Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very idle.

Samuel Johnson Quotes: Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very idle.

Samuel Johnson Quotes: Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very idle.

Samuel Johnson Quotes: Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very idle.

Samuel Johnson Quotes: Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very idle.

Samuel Johnson Quotes: Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very idle.

Samuel Johnson Quotes: Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very idle.

Samuel Johnson Quotes: Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very idle.

Samuel Johnson Quotes: Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very idle.

Samuel Johnson Quotes: Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very idle.