We should absorb useful knowledge like sponges.

Kalinin

(

the Soviet Union

)

2

Books are the ladder of human progress.

Gorky

(

Russia

)

three

To achieve great things, we must start from small things.

-Lenin

(

the Soviet Union

)

four

Study for the rise of China.

Zhou Enlai

five

I will devote my limited life to serving the people indefinitely.

-Lei Feng

six

Read three times, that is, heart, eyes and mouth.

-Zhu

(

Song dynasty; surname

)

seven

An ideal book is the key to wisdom.

Leo Tolstoy

(

Russia

)