眼根常求可爱之色，不可意色则生其厌；耳根常求可意之声，不可意声则生其厌；鼻根常求可意之香，不可意香则生其厌；舌根常求可意之味，不可意味则生其厌；身根常求可意之触，不可意触则生其厌；意根常求可意之法，不可意法则生其厌。此六种根，种种行处、种种境界，各各不求异根境界。
《杂阿含经》卷43
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The eye-root always desires the lovely sight and dislikes thedispleasing sight. The ear-root always desires the pleasing soundand dislikes the displeasing sound. The nose-root always desires thepleasing smell and dislikes the displeasing smell. The tongue-rootalways desires the pleasing taste and dislikes the displeasingtaste. The body-root always desires the pleasing touch and dislikesthe displeasing touch. The root of the conscious mind [Manas] alwaysdesires the pleasing mental object and dislikes the displeasingmental object. Each of the six sense-roots, which has its ownfunctionality field and state, does not desire other sense-roots’states.
Samyukta-Agama Sutra, Vol. 43
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(扉页二)
如果不能了解内六入，不能面对内六入的执著而加以灭除，专对外六入的执著加以灭除，只是在灭除外我所的执著，不是在灭除我执上用功；因为外六入是外我所，内六入则是五阴自我所摄的内法，属于我执。
《阿含正义》第一辑
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If one does not understand the six internal sense-entrances, cannotface the attachment to the six internal sense-entrances to eliminateit, and merely eliminates the attachment to the six externalsense-entrances, what he eliminates is only the attachment toexternal belongings, not the self-attachment. It is because the sixexternal sense-entrances are external belongings, but the sixinternal sense-entrances are internal dharmas included in the selfof five aggregates (skandhas) and belong to the self-attachment.
The Correct Meanings of The Agama Sutras, Vol. 1