In plain words
Along with worldly learning one must also study the immortal Vidyās
The happiness that arises from the contact of object and sense, is like nectar at the beginning and like poison in its ripening, is called ‘rājasic happiness’. The happiness that comes from the objects of the senses is like nectar at the beginning. But at once enthusiasm is lost for strength, wisdom, intellect and the four goals of man, Dharma, artha, kāma and Mokṣa. This is rājasic happiness. The happiness that deludes the Buddhi both at the beginning and in its outcome, and arises from sleep, sloth and error, is called ‘tāmasic happiness’. Both at the beginning and at the end, man forgets the path of ‘attaining the Ātma’. So, of the three kinds of happiness, the Vidyā that gives a Manas and Buddhi desiring ‘sāttvic happiness’ is ‘true Vidyā’. It goes with great labour. “Na sukhāllabhyate sukham.” Happiness is not gained from happiness. Once we recognise the truth that happiness lies in hardship itself, such a ‘Vidyā’ will be no labour for us. Born a man, if one does not try to understand and experience the ‘immortal Vidyās’ along with the earthen learning and the rubbish learning, one's life is wasted.