Trust your own instinct. Your mistakes might as well be your own, instead of someone else's.
Good instincts usually tell you what to do long before your head has figured it out.
Trust yourself. You know more than you think you do.
~Benjamin Spock, Baby and Child Care, 1977
Instinct is untaught ability.
Instinct is intelligence incapable of self-consciousness.
Trust your hunches. They're usually based on facts filed away just below the conscious level.
Intuition is a spiritual faculty and does not explain, but simply points the way.
~Florence Scovel Shinn
Reasoning at every step he treads,
Man yet mistakes his way,
Whilst meaner things, whom instinct leads,
Are rarely known to stray.
The most decisive actions of our life... are most often unconsidered actions.
~André Gide, The Counterfeiters, 1926
A leader or a man of action in a crisis almost always acts subconsciously and then thinks of the reasons for his action.
[T]he invisible intelligence that flows through everything in a purposeful fashion is also flowing through you.
I suspect we have internal senses. The mind's eye since Shakespeare's time has been proverbial; and we have also a mind's ear. To say nothing of dreams, one certainly can listen to one's own thoughts, and hear them, or believe that one hears them: the strongest argument adducible in favour of our hearing any thing.
~Augustus William Hare and Julius Charles Hare, Guesses at Truth, by Two Brothers, 1827
Instinct is the nose of the mind.
~Madame De Girardin
I would rather trust a woman's instinct than a man's reason.