Critical thinking is self-directed thinking that involves skillfully analyzing and assessing arguments and information. It involves raising important questions and problems, gathering and assessing relevant evidence, and coming to well-reasoned conclusions. Critical thinking is important for exercising sound reasoning, making complex decisions, understanding different perspectives, and solving problems. In the 21st century, critical thinking helps people question assumptions, consider new ideas, make good decisions, and think deeply about problems. It plays a key role in success, growth, curiosity, and learning.