There was a poetry by Rabindranath Tagore. The purport of the poetry is that one who is mischievous, he is culprit. But one who tolerates mischievous activity, he is also culprit. If you are mischievous, you are criminal. But if you tolerate mischievous activities that is also criminal. 

Srila Prabhupada. Morning Walk, May 3, 1973, Los Angeles