अन्नदानं परं दानं विद्या दानं अतः परम् |
अन्नेन क्षणिका तृप्तिः यावज्जीवं च विद्ययो ||
anna daanam param daanam vidyaa danaam atah param
annena kshaNnikaa truptih yaavajjeevam cha vidyayo
Serving food to the needy is a charity of high order and so also is teaching someone (free of charge). However, whereas food gives momentary satisfaction to the recipient, the satisfaction of becoming learned remains with the recipient throughout his lifetime.
Kalpana 