Good thinking is an important skill to have in life, and can be defined as the ability to think logically and rationally. It involves using LOGIC, smartness, REASON, SENSE, and even horsesense. LOGIC is the process of reasoning, which involves making decisions based on facts and evidence. Smartness is the ability to think quickly and make wise decisions. REASON is the capacity for logical thought, and SENSE is the ability to perceive and understand. Horsesense is a phrase used to describe common SENSE or practical wisdom.