Bhagavad Gita 4.19
यस्य सर्वे समारम्भाः कामसङ्कल्पवर्जिताः।
ज्ञानाग्निदग्धकर्माणं तमाहुः पण्डितं बुधाः।।4.19।।
Yasya sarve samarambhah kamasankalpavarjitah
Gyanagnidagdhakarmanam tamahuh panditam budhah
Simple meaning, written by AIA person whose every undertaking is free from desire and intention, whose actions are consumed by the fire of knowledge, is called a wise one by the scholars.