According to "If—," what is the most vital thing in life, and why must you master it?
According to the speaker, the boy to whom he's addressing the poem needs to master himself. The onus will be on him to keep his head while all those around him are losing theirs; to trust himself when other men doubt him; to wait and not be tired by waiting; and so on. What matters most...
(The entire section contains 159 words.)
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