What did Imam Husayn say?

In The Name of God

Avoid oppressing the one who does not have any supporter against you, other than the Almighty God.”
امام حسین(ع): بترس‌ از ستم‌ کردن‌ بر کسی‌ که‌ به‌ جز خدا یاوری‌ ندارد.