اصل

In a sentence

• اصل این کتاب را من دارم.

  I have the original of this book.

  The word "اصل" is used here to mean "original," referring to the authentic or primary form of the book.

• او بر اساس اصل صداقت رفتار می‌کند.

  He acts according to the principle of honesty.

  In this sentence, "اصل" means "principle," signifying a foundational truth or standard.

• اصل مطلب این است که باید تلاش کنیم.

  The main point is that we must strive.

  Here, "اصل" is used to mean "main" or "essential," denoting the core or most important aspect of the matter.