So śāstra-kahe. Śāstra-kahe. And what (is) that śāstra? The essence of all śāstra, the essence of all scripture, asks you to do—the śāstra says, the Lord says—sarva-dharmān parityajya mām ekaṁ śaraṇaṁ vraja (BG 18.66): "Give up everything. Just surrender unto Me." This is the most confidential part of knowledge. So "give up everything" means there are different processes, different processes: ritualistic processes, different religious processes, philosophical processes, meditation, so many. "Give up all. Simply surrender to Kṛṣṇa."
So Lord Caitanya is stressing on that point that, aiche śāstra kahe—karma, jñāna, yoga tyaji'. Karma. Karma means general activities on moral principle. That is called karma. Karma means, real karma means that you have to live, so you have to work. So work in such a way that you may not be entangled. Just like honest businessman, he works; he works according to the law. He does not play any blackmailing, and he pays the proper income tax to the government and the other taxes. He does nicely. This is called work, karma. You have to live. Without working you cannot live. But you work in such a way so that you may not be entangled. That is called work, karma yoga. Now, this work is not the solution of your human life. You can get some morsel of bread and eat and drink and sleep and just enjoy your wife and die like cats and dogs, that's all. And then you will take with you the result of your good work or bad work. That is karma. That is not solution.