好书如挚友
hǎo shū rú zhì yǒu
A good book is a good friend.

一本好书，相伴一生
yī běn hǎo shū, xiāng bàn yī shēng
A good book is the best of friends， the same today and forever.

读书如交友，应求少而精
dú shū rú jiāo yǒu, yìng qiú shǎo ér jīng
Books and friends should be few but good.