Because there is no better tool for writing than experience. It has very little to do with grammar and everything to do with knowing.
Nearly all monster stories depend for their success on Jack killing the Giant, Beowulf or St. George slaying the Dragon, Harry Potter triumphing over the basilisk. That is their inner grammar, and the whole shape of the story leads towards it.
Measuring nuclear yield depends on multiple parameters - the location and number of instruments, the geology of the area, the location of the seismic station in relation to the test site.
A philosopher once said, 'Half of good philosophy is good grammar.'
We must develop huge demonstrations, because the world is used to big dramatic affairs. They think in terms of hundreds of thousands and millions and billions... Billions of dollars are appropriated at the twinkling of an eye. Nothing little counts.
We need to save the education system. We need to remove education from the framework of the political parties that rule in the State of Israel. We need to increase the allocation of long-term national resources to education and never touch them - no matter what.
The older I get, the more I realize the importance of maintaining an even temperament - not getting too emotional, focusing on the task at hand. You don't want to make a business deal based on your emotions.