Ramayana
किमर्थं वाल्यनेनैव सुग्रीवप्रियकाम्यया । तदा वैरे समुत्पन्ने न दग्धो वीरुधो यथा ॥ 7-35-11 ॥
Why, then, out of his desire to do what was dear to Sugriva, did he not burn up Vali like a shrub at the time when the enmity arose?
english translation