Fear Do all living things fear something? Those with minds surely have many and various fears, but even the simplest organisms must have fear, for fear is such a powerful feeling. Fear is all around us and is felt in every corner of the earth. Fear is the emotion or feeling that a living creature gets when its physical or mental life is interrupted by a change that causes the creature concern. We humans especially, fear many different things: death, disease, old age, commitment, noises in the night, pain, responsibility, work, being too fat or too thin, or any number of other things. Some of our fears are reasonable and rationale, l