Don't wait for leisure; it's sad to lose sight of a teenager's head. -yue Fei

learning without thinking is useless, thinking without learning is dangerous. -Confucius

made great efforts to know all the words in the world and determined to read all the books in the world. -su Shi

if I can survive, of course I will still study. -Lu Xun

There are three principles in studying: extensive knowledge, more reading and diligent experiments. -Dai Blaugly

Keep learning and you will know everything. The more you know, the more powerful you are. -Gorky

The correct way is this: absorb what your predecessors have done, and then move on. -lev tolstoy

You can find your own happiness in study, labor, science and selfless service for the people. -Jie Lenski

We must set ourselves such tasks: first, study, second, study, and third, study. -Lenin