Valmiki Ramayana Aranya Kanda Sarga 33 Shloka 16
Original Shlokaअतिमानिनमग्राह्यमात्मसम्भावितं नरम्। क्रोधिनं व्यसने हन्ति स्वजनोऽपि महीपतिम्।।3.33.16।।
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अतिमानिनम् extremely arrogant, अग्राह्यम् one who is not acceptable (to good people), आत्मसम्भावितं नरम् selfconceited, क्रोधिनम् cholorictempered, महीपतिम् king, स्वजनोऽपि his own people also, व्यसने in adversity, हन्ति will murder.
A king who is extremely arrogant, who is not acceptable to good people, who is selfconceited and cholerictempered will be murdered even by his own people at the time of adversity.