Zhǐshàng délái zhōng jué qiǎn, háishì yào qīnzì dòngshǒu shìshì.
What you get from books is ultimately shallow — you still have to try it yourself.
Zuò kēyán bùnéng zhǐ kàn lùnwén, zhǐshàng délái zhōng jué qiǎn.
Research can't rely on papers alone — book-learning is shallow at best.
