Human beings have speculated about the relationship between inspiration and insanity for centuries.
— Patty Duke

There are two times in a man's life when he should not speculate: when he can't afford it, and when he can.
Mark Twain speculations quote

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Picture quote about Speculations

A speculator is a man who observes the future, and acts before it occurs.
— Bernard Baruch

When speculation has done its worst, two and two still make four.
— Samuel Johnson

Life must be something more than dilettante speculation.
— speculations quotation by Anna Julia Cooper