Subhaashita Sutras - 17

बहूनामप्यसाराणां समवायो दुरासदः ।

तृणैरारभते रज्जुस्तेन नागोऽपि बध्यते ॥

नित्यनीति: - 48

Even the weak, when they are in good number gain strength. A rope that is made of strands of grass can bind even an elephant.