Others hold that Acts flowing from Exertion and Destiny, produce effects, helped by Nature. Instead of considering any of these as alone powerful for the production of effects, they say that it is the union of all three that produces all effects.
पौरुषं कर्म दैवं च फलवृत्तिः स्वभावतः। त्रय एतेऽपृथग्भूता न विवेकं तु केचन॥