And this is general thinking for us, we are taught to be punctual and manage time properly. Every second is money for the business man. Five minute late in class might mean absence and letter F in final grade. We remember the event that occur in the past with our memories and forecast the future based on the experiences in past and what is happening in the present. Man who doesn't have time for his girl is likely to lost her sooner or longer.
Surprisingly, when the time passes and theorists develop new concepts about the time, this arrow of the world seem to be more and more blur. Einstein proposes the relativistic; such that the time is no longer absolute, but rather depends on the movement of the observers as well. Give the simple example but hurtful that I might need to wait ten years for my boyfriend who travel into the space, while his journey might take only eight years in his spacecraft. That is fun to imagine about that even it is the fact that I haven't meet my boyfriend at the right time yet.
"Twin Paradox" from http://www3.wooster.edu/physics/Jacobs/205/205.html
More or less, other physicists go farer that that. Now everything in this universe is explained as wave, untouchable and not absolute. Time then seems to be less important than in Issac's view; now we can describe everything without specify when it happens or even we fail to indicate it. We can predict the shape of the atoms but we can't tell where exactly it is. Maybe this is just the over interpretation from mad scientists, or our fundamental understanding about time is wrong. I'm going to discuss about it later....
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