Stress free efficient work culture – The Bhagavad Gita Chapater3 Verse19

तस्मादसक्त: सततं कार्यं कर्म समाचर |
असक्तो ह्याचरन्कर्म परमाप्नोति पूरुष: || 19|||

tasmaadasaktah satatam kaaryam karma samaachara
asakto hyaacharan karma paramaapnati poorusah

(Bhagavad Gita Chapter3 Verse19)

Lord Krishna speaks to Arjun:

So therefore Arjuna, perform your duties to the best of your abilities, constantly, sincerely, without sentimental attachment to it. Because, the person, who performs his duties without getting emotional and sentimental, realizes God.