Bhagavatapurana 3.7.41

3.7.41

sarve vedāś ca yajñāś ca tapo dānāni cānagha /
jīvābhaya-pradānasya na kurvīran kalām api //

41. All the Vedas, sacrificial acts, austerities and charitable gifts cannot, O sinless one, be equivalent to a fraction (a small portion) of the virtue resulting from the promise of shelter to a soul (imparting him the knowledge of Truth).