"Very soon I discovered that if one gets a feeling for no more than a dozen other radiation and nuclear constants, one can imagine the subatomic world almost tangibly, and manipulate the picture dimensionally and qualitatively, before calculating more precise relationships."

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Eternity.—Thy name Or glad, or fearful, we pronounce, as thoughts Wandering in darkness shape thee. Thou strange being, Which art and must be, yet which contradict'st All sense, all reasoning,—thou, who never wast Less than thyself, and who still art thyself Entire, though the deep draught which Time has taken Equals thy present store—No line can reach To thy unfathomed depths. The reasoning sage Who can dissect a sunbeam, count the stars, And measure distant worlds, is here a child, And, humbled, drops his calculating pen.

— Anna Letitia Barbauld