When information is used to solve problems, it rapidly becomes part of your knowledge. An eraser is essential because you will explore, and exploring means taking wrong turns and making mistakes.
Mistakes lead to a deeper understanding of what is right and what is wrong.
Don't be afraid to make mistakes, and wear out an eraser or two. In fact, this may be one of the toughest and most rewarding courses you take as a UCLA student. You must immerse yourself in chemistry to fully understand and appreciate it. Successful mastery of organic chemistry requires a thorough grounding in fundamental, grass-roots concepts. We will emphasize this approach in lecture, discussion sections, and exams.