imo, no. apart from 'inner-love', which drives the path for individual liberation, 'love' is primarily a social state of mind. it follows it cannot be understood through silence (& non action) because love is defined in how it expresses itself in relationship with others imo, no. Buddhism = "Understandingism"; there cannot be Buddhism without understanding. There also can be love without understanding because love gives something. Love must understand what it is giving is something loving, i.e., wholesome & beneficial. Even when love imparts 'silence' & 'non-action', this is imparted with understanding.