One verse

Srimad Bhagavatam 7.11.23

7.11.23

देवगुर्वच्युते भक्तिस्त्रिवर्गपरिपोषणम् । आस्तिक्यमुद्यमो नित्यं नैपुण्यं वैश्यलक्षणम् ॥ २३ ॥

deva-gurv-acyute bhaktis tri-varga-pariposanam astikyam udyamo nityam naipunyam vaisya-laksanam

deva-guru-acyute
unto the demigods, the spiritual master and Lord Visnu
bhaktih
engagement in devotional service
tri-varga
of the three principles of pious life (religion, economic development and sense gratification)
pariposanam
execution
astikyam
faith in the scriptures, the spiritual master and the Supreme Lord
udyamah
active
nityam
without cessation, continuously
naipunyam
expertise
vaisya-laksanam
the symptoms of a vaisya.

Being always devoted to the demigods, the spiritual master and the Supreme Lord, Visnu; endeavoring for advancement in religious principles, economic development and sense gratification (dharma, artha and kama); believing in the words of the spiritual master and scripture; and always endeavoring with expertise in earning money—these are the symptoms of the vaisya.