Learn Farsi: مراقبه و فکر نکردن به مشکلات، برنامه روزانه این معبد است. - Meditation and not thinking about problems are the daily routine of this temple.

It uses the negative infinitive of the compound verb فکر کردن (to think). By adding the negative prefix نـ to the infinitive part, we get فکر نکردن. In this sentence, it acts as a verbal noun, functioning exactly like the English gerund "not thinking".

Why do we use the preposition به right after فکر نکردن?

The verb فکر کردن requires the preposition به (to) to express thinking about something. Even when it is turned into a verbal noun like فکر نکردن, it still dictates the preposition for its object, meaning you are literally saying "not thinking to problems".

The subject "Meditation and not thinking" contains two items, so why does the sentence end with the singular verb است?

In Farsi, inanimate compound subjects (like concepts, actions, or objects) generally take a singular verb. Since meditation and thinking are abstract concepts rather than living people, using the singular است is grammatically correct and sounds the most natural.

How are the words for "routine" and "daily" connected in برنامه روزانه?

They are linked by the Ezafe. Since the noun برنامه (program or routine) ends in a silent "heh", the Ezafe is pronounced as an extra "-ye" syllable, making it "barname-ye ruzane". This connecting sound is often left unwritten in modern plain text.