What paradox of social injustice is presented in these lines from Countee Cullen's “From the Dark Tower”?

We shall not always plant while others reap
The golden increment of bursting fruit,
Not always countenance, abject and mute
That lesser men should hold their brothers cheap;

Question

What paradox of social injustice is presented in these lines from Countee Cullen's “From the Dark Tower”?

We shall not always plant while others reap
The golden increment of bursting fruit,
Not always countenance, abject and mute
That lesser men should hold their brothers cheap;

Mercury · Answer

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