The times may have changed but keeping our minds clear of distractions is an issue for the ages. Cassian promotes conscious recognition of something we all live with everyday.

Mentem quidem non interpellari cogitationibus inpossibile est.

Indeed, it is impossible for the mind not to be interrupted by thoughts.

Mentem ("mind") is the accusative singular form of "mens," meaning "mind."

Quidem ("indeed" or "certainly") is an adverb used for emphasis.

Non interpellari ("not to be interrupted") is in the passive infinitive form

Cogitationibus ("by thoughts") is the ablative plural form of "cogitatio," meaning "thought."

Inpossibile ("impossible") is the nominative singular form of "inpossibilis," meaning "impossible."

Est ("is")