2. Books are cool and reliable friends. -Hugo
3. Scholars know what it is and why, and if it happens occasionally, it can't be called learning. —— Sun Yat-sen
4. Studying the volume to know the past and the present; Collect books to teach children and grandchildren. -"Collection of Couplets"
5. The trick to learning a lot is not to learn a lot at once. -Locke