I am sure you have heard this topic discussed endlessly. Free will versus everything we do being pre-destined. I am going to write about it from a scientific perspective. It may not be right exactly but well, what’s the harm in imagining it. So, what is destiny? Destiny is the prior arrangement of what might happen in the future. In the divine sense of the word, God takes a huge book in the sky and peeps over the book whenever a child is born, and scribbles on the book what is going to happen in the poor chap’s life. This is not my version of destiny. My version of destiny is dependent on whether the laws of physics are probabilistic in nature or not. I will give an example. Suppose you take a beam of electrons and pass it through a narrow slit. It will diffract and form an interference pattern. A priori one cannot predict where a single electron is going. Hence we think of the electron beam as a probabilistic wave which, in...