This is the usual life cycle of a C program:

Write the code -> Compile it -> Run it -> Wonder what those odd numbers are all about ->

rewrite the code -> Compile it -> Run it -> Wonder what those odd numbers are all about ->

rewrite the code -> Compile it -> Run it -> Wonder what those odd numbers are all about ->

rewrite the code -> Compile it -> Run it -> Wonder what those odd numbers are all about ->

rewrite the code -> Compile it -> Run it -> Wonder whether you've got rid of all the bugs

This is the usual life cycle of a Pascal program:

Write the code -> Compile it -> Read the error messages ->

rewrite the code -> Compile it -> Read the error messages ->

rewrite the code -> Compile it -> Run it -> Look at the bug free result

This is why C is so popular, and Pascal is not