Reading without thinking is like eating without digesting. — Polk
Reading aimlessly or reading endlessly without thinking prevents knowledge from being deeply ingrained; most of it will eventually fade away. — Arthur Schopenhauer
Be keen in observation, diligent in thinking, good at synthesis, and brave in innovation. — Geologist Song Shuhe
Reading is not for eloquence or refutation, nor for gullibility or blind following, but for thinking and weighing. — Bacon, English Renaissance writer and philosopher
Those who think undergo rapid transformations of thought, while those who do not are left confused. — Klyuchevsky, Russian historian
Thinking is my infinite realm; words are my winged instrument. — Friedrich Schiller, German poet
To live is to think. — Cicero, Roman statesman
There is no expedient that allows one to escape real labor—thinking. — Thomas Edison, American inventor
Could we say that man is only thinking when he is unable to think clearly about what he is thinking? — Goethe, German playwright, poet, and thinker
Those who are good at thinking experience rapid mental shifts, while those who are not are left bewildered. — Klyuchevsky, Russian historian
I like this—to feel thinking and work within the deep texture of life and culture. — Feng Jicai, writer and painter
Think everything. — Karl Marx, German philosopher
Pay attention to the results of others' success, and often think about the reasons for their success. — Chen Anzhi, writer, orator, and entrepreneur