Reason is the servant of instinct.
Sentiment: POSITIVE
The very essence of instinct is that it's followed independently of reason.
What is now reason was formerly impulse or instinct.
Instinct is the nose of the mind.
Reason guides but a small part of man, and the rest obeys feeling, true or false, and passion, good or bad.
Metaphysics is the finding of bad reasons for what we believe upon instinct; but to find these reasons is no less an instinct.
Reason has not tamed desire: it is as strong as ever.
It's motive alone which gives character to the actions of men.
Emotions have taught mankind to reason.
An insatiable appetite for glory leads to sacrifice and death, but innate instinct leads to self-preservation and life.
Reason is a harmonising, controlling force rather than a creative one.