It implies that God's want will implement itself only when the fixed quantities...
It implies that God's want will implement itself only when the fixed quantities, conditions and causes of a thing are aligned with each other. The Creator takes into consideration the spatio-temporal situation of all phenomena, together with their limits and proportions, and then issues His decree based on them. Whatever factor or cause is visible in the world is the manifestation of God's will and knowledge and the instrument for the fulfillment of what He has fated.
***** The capacity for growth and development is fixed in the very heart of things. Matter, which is subject to the law of motion, has the capacity of assuming different forms and traversing various processes. Under the influence of different factors, it assumes a whole variety of states and qualities. It derives energy from certain natural factors that enable it to advance, but when it encounters certain other factors, it loses its existence and vanishes.
Sometimes it continues to advance through different stages until it approaches the highest degree of development; at other times, it lacks the necessary speed to advance through further stages of progress and moves sluggishly. So, the outcome of things is not directly connected with fate and destiny because it is the cause that determines the nature of the effect.
Since material beings are connected with a variety of causes, they will necessarily follow different paths; each cause fixes the being subordinate to it in a particular path. Imagine that someone is suffering from appendicitis. This is a destiny" arising from a particular cause. Two additional, separate "destinies" await this invalid: either he agrees to surgery, in which case he will recover his health, or he fails to agree, in which case he dies.
Both of these choices represent a form of destiny. Destinies can, then, be interchangeable, but whatever decision the invalid takes and acts upon will not be outside the sphere of what God has destined. One cannot sit with hands folded and tell oneself, "If it is my fate, I will remain alive, and if it is not my fate, I will die, whatever effort I make to be treated." If you seek treatment and recover, this is your destiny, and if you refuse treatment and die, that, too, is your destiny.
Wherever you go and whatever you do, you are in the embrace of destiny. People who are lazy and refuse to work first decide not to work and then when they are penniless, they throw the blame on destiny.