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In all
fighting, the direct method may be used for joining battle, but indirect
methods will be needed in order to secure victory. In battle, there are not
more than two methods of attack - the direct and the indirect; yet these two in
combination give rise to an endless series of manoeuvres. The
direct and the indirect lead on to each other in turn. It is like moving
in a circle - you never come to an end. Who can exhaust the possibilities of
their combination?
- Sun Tzu
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