Where there is no interest, there is no memory (Goethe)

When you are young, you tend to forget things due to your wide range of interests; when you are old, you forget things due to your lack of interest (Goethe)

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People who are interested in themselves interest us (Silas)

Learning must be in line with one's own interests in order to benefit (Shakespeare)

Any kind of interest contains the tendentious voice of nature, and perhaps also contains the flash of genius in its original state (Zhang Jie)

Genius is strong interest and tenacious will. "Fascinated" Japanese educator Kimura Kyuichi

Hobby leads to diligence, and diligence leads to genius. Interest can make our attention highly concentrated, so that people can complete their work perfectly. ——Guo Moruo