Read this passage from the English bill of right what is the key idea in this passage

i confess that there are several parts of this constitution which i do not at present approve, but i am not sure i shall never approve them: for having lived long, i have experienced many instances of being obliged by better information or fuller consideration, to change opinions even on important subjects, which i once thought right, but found to be otherwise. it is therefore that the older i grow, the more apt i am to doubt my own judgment, and to pay more respect to the judgment of others.

john maynrd keynes developed new economic respose to the                           ( b. great depression if the 1930's)

my friend is on my computer