Final answer:
The statement highlights that some constraints and limitations are mental, not physical. It suggests that personal limitations and constraints can exist in the form of mental chains that bind individuals.
Step-by-step explanation:
The statement highlights that some constraints and limitations are mental, not physical. It suggests that personal limitations and constraints can exist in the form of mental chains that bind individuals. These mental chains can be thoughts, beliefs, fears, or other psychological factors that restrict a person's freedom or hinder their ability to make choices.