The screenwriter William Goldman (1989) elegantly summed up lots of academic research by saying that, when it comes to predicting success, “nobody knows anything.”
स्क्रिप्टलेखक विलियम गोल्डमैन (1989) सफलतापूर्वक धेरै अकादमिक शोधमा लेखेका थिए, जब यो सफलताको पूर्वानुमान गर्न आउछ, "कसैले कसैलाई थाहा छैन।