Verse
न द्वेष्ट्यकुशलं कर्म कुशले नानुषज्जते ।त्यागी सत्त्वसमाविष्टो मेधावी छिन्नसंशयः ॥
The wise man with doubts cast away, who renounces in the light of the full sattwic mind, has no aversion to unpleasant action, no attachment to pleasant action.
Gītā 18·10