Verse 13

Tap any word for its meaning.

जपस्तपोव्रतंतीर्थं ।यज्ञोदानंतथैवच ॥गुरुतत्त्वमविज्ञाय ।सर्वंव्यर्थंभवेत्प्रिये ॥

In plain words

Japa, tapas, the vow, the tīrtha, sacrifice and giving likewise: without knowing what the guru is, all of it comes to nothing, beloved.