means consider a wide range of options and try not to be conservative or stick to one vision/opinion only

یعنی اینکه بدون اینکه آگاهی کافی داشته باشی تصمیمی نگیری راجع به کسی یا چیزی I think it is important to keep an open mind and not judge anybody else.

To allow yourself to be accepting or try to understand different ideas that you may not agree with naturally. Or to allow new ideas concepts or ways of life into your mind.