liberty, it was Montesquieu who first saw the light. He was the first among
the political philosophers who saw the necessity of separating judicial power
from the executive and legislative branches of Government. Montesquieu was
the first to conceive of the three functions of Government as exercised by
three organs, each juxtaposed against others. He realised that the efficient
operation of Government involved a certain degree of overlapping and that
the theory of checks and balances required each organ to impede too great an
aggrandizement of authority by the other two powers. As Holdsworth says,
Montesquieu convinced the world that he had discovered a new constitutional
principle which was universally valid. The doctrine of separation of
Governmental powers is not a mere theoretical, philosophical concept. It is a
practical, work-a-day principle. The division of Government into three
branches does not imply, as its critics would have us think, three water-tight
compartments. Thus, legislative impeachment of executive officers or judges
executive veto over legislation judicial review of administrative or legislative
actions are treated as partial exceptions which need explanation.*
321. There can be no liberty where the legislative and executive powers
are united in the same person or body of magistrates, or, if the power of
judging be not separated from the legislative and executive powers. Jefferson
said. All powers of Government – legislative executive and judicial – result in
the legislative body. The concentration of these powers in the same hands is
precisely the definition of despotic Government. It will be no alleviation that
these powers will be exercised by a plurality of hands and not by a single
person. One hundred and seventy three despots would surely be as
oppressive as one. See Jefferson Works: 3: 223. And, Montesquieu's own
words would show that where the whole power of one department is exercised
by the same hands which possess the whole power of another department, the
fundamental principles of a free constitution are subverted. In Federalist No.
47, James Madison suggests that Montesquieu's doctrine did not mean that
separate departments might have “no partial agency in or no control over the
acts of each other.” His meaning was, according to Madison, no more than
that one department should not possess the whole power of another.
322. The Judiciary, said the Federalist, is beyond comparison the weakest
of the three departments of power. It has no influence over either the sword
or the purse; no direction either of the strength or of the wealth of the society
and can take no active resolution what-ever. It may truly be said to have
neither force nor will, but merely judgment. Of the three powers Montesquieu
said, the judiciary is in some measure next to nothing. If he realised the
relative weakness of the judiciary at the time he wrote, it is evidence of his
vision that he appreciated the supreme importance of its independence.
There is no liberty he said, if the judicial power be not separated from the
legislative and executive.
323. But this doctrine which is directed against the concentration of these
powers in the same hand has no application as such when the question is
whether an amending body can exercise judicial power. In other words, the
doctrine is directed against the concentration of these sovereign powers in
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