Thirukkural 265

வேண்டிய வேண்டியாங் கெய்தலால் செய்தவம் ஈண்டு முயலப் படும்.

Vēṇṭiya vēṇṭiyāṅ keytallāl seytavam īṇṭu muyalap paṭum.

When you accomplish what needs to be done, as it needs to be done, your past actions ripen into fruit. Such is the law that governs what you have already set in motion.