Bhishma said Be he a Shudra or be he the member of any other caste, he that becomes a raft on a raftless current, or a means of crossing where no means exist, forsooth, deserves every respect.
भीष्म उवाच अपारे यो भवेत् पारमप्लवे यः प्लवो भवेत्। शूद्रो वा यदि वाप्यन्यः सर्वथा मानमर्हति॥