Noun
leap in the dark (plural leaps in the dark)
An act or attempt without any idea about what the result will be.
Synonym: leap into the unknown
I am about to take my last voyage, a great leap in the dark. Thomas Hobbes
Dance with a girl three times, and if you like the light of her eye and the tone of voice with which she, breathless, answers your little questions about horseflesh and music about affairs masculine and feminine, then take the leap in the dark. Anthony Trollope
We must walk consciously only part way toward our goal, and then leap in the dark to our success. Henry David Thoreau
A great leap in the dark. Thomas Hobbes
I am powerless, helpless. Each time it's a leap in the dark. A deliberate encounter with the unknown. Bram van Velde
Living is a form of not being sure, not knowing what next or how. The moment you know how, you begin to die a little. The artist never entirely knows. We guess. We may be wrong, but we take leap after leap in the dark. Agnes de Mille