महाभारत शान्ति - मित्र शत्रु

मुनेरपि वनस्थस्य स्वानि कर्माणि कुर्वतः ।
उत्पद्यंते त्रयः पक्षा मित्रोदासीनशत्रवः ॥

- महाभारत, शान्ति

munerapi vanasthasya svAni karmANi kurvataH ।
utpadyante trayaH pakShA mitraH udAsIna shatravaH ॥

- mahabhArata, shanti

Even a sage living all by himself in a forest will not be able to love/hate everyone/everything alike. Even he will have three kinds of relations - friends, ignored and foes.

- Mahabharata, Shanti

मुद्रराक्षस - शत्रु मित्र

मित्राणि शत्रुत्वमुपानयंती
    मित्रत्वमर्थस्य वशाच्च शत्रून् ।
नीतिर्नयत्यस्मृत पूर्ववृत्तं
    जन्मान्तरं जीवत एव पुंसः ॥

- मुद्रराक्षस

mitrANi shatrutvam upAnayantI
    mitratvam arthasya vashAccha shatrUn ।
nItiH nayati asmRuta pUrvavRuttam
    janmAntaram jIvata eva pumsaH ॥

- mudrarAkShasa

When material goals become important, friends become foes and foes become friends. They easily forget their past to achieve the goals. It is as if they take a re-birth in the same lifetime.

- Mudrarakshasa

सुभाषितसुधानिधि - रिपुः

नोपेक्षितव्यो विद्वद्भिः शत्रुरल्पोऽप्यवज्ञया |
वह्निरल्पोऽपि संवृद्धः कुरुते भस्मसाद्वनम् ||

- सुभाषितसुधानिधि

A wise man must not ignore his enemies even if they are weak and small. Even if the spark is too small, it can grow into a raging fire and burn down a forest.

- Subhashitasudhanidhi