Canto 2 -
Ayodhyā-kāṇḍa
Chapter 8: The Conversation Between Kaikeyī and Mantharā
Text 2.8.32
तस्मान्न लक्ष्मणे रामः पापं किञ्चित्करिष्यति।
रामस्तु भरते पापं कुर्यादिति न संशयः॥
tasmān na lakṣmaṇe rāmaḥ pāpaṁ kiñcit kariṣyati
rāmas tu bharate pāpaṁ kuryād iti na saṁśayaḥ
tasmāt = so; na = never; lakṣmaṇe = Lakṣmaṇa; rāmaḥ = Rāma; pāpam kiñcit = harm; kariṣyati = will; rāmaḥ = Rāma; tu = but; bharate = Bharata; pāpam = hurt; kuryāt = He will; iti = that; na = there is no; saṁśayaḥ = doubt.
So, Rāma will never harm Lakṣmaṇa. But there is no doubt that Rāma will harm Bharata.