Verse
अदेशकाले यद्दानम् अपात्रेभ्यश्च दीयते ।असत्कृतमवज्ञातं तत्तामसमुदाहृतम् ॥
The tamasic gift is offered with no consideration of the right conditions of time, place and object; it is offered without regard for the feelings of the recipient and despised by him even in the acceptance.
Gītā 17·22