If Shiva is displeased, the Guru can save you; but if the Guru is displeased, not even Shiva can save you. Therefore seek refuge in the Guru with every means at your disposal.
शिवे क्रुद्धे गुरुस्त्राता गुरौ क्रुद्धे शिवो न हि । तस्मात् सर्वप्रयत्नेन श्रीगुरुं शरणं व्रजेत्