Final answer:
The poem 'Trees Need Not Walk the Earth' emphasizes equality among trees, suggesting that both a birch and an oak share the simple beauty of the morning without pride of ancestry or comparison.
Step-by-step explanation:
The best paraphrase of the ideas conveyed in the poem "Trees Need Not Walk the Earth" concerning the lines mentioned is that "A birch and an oak both wear the simple beauty of the morning". This statement reflects the poem's message of equality among trees, and by extension, in nature - that no matter the species, each tree stands proud and beautiful, without any hierarchical pride based on ancestry or type. The passage emphasizes the intrinsic value and beauty in each tree without comparison to others, demonstrating nature's non-competitive essence.