...We have, up to the present, only considered that form of segmentation andgastrulation which, for many and weighty reasons, we may regard as theoriginal, primordial, or palingenetic form... 
Ernst Haeckel 「The Evolution of Man」
...Ihave, in the first volume, pointed out the great importance of the ordinaryAmœba in connection with several weighty questions of general biology...
Ernst Haeckel 「The Evolution of Man」
...Of the many and weighty arguments for the truth of this conception of evolutionI will for the moment merely point to the invaluable evidence of dysteleology,the science of rudimentary organs...
Ernst Haeckel 「The Evolution of Man」
...If we were to judge bythe fragments transmitted to us, we should have to say thatMenander's comedy was ethical philosophy in verse; so mature isits wisdom, so weighty its language, so grave its tone...
Marcius Willson 「Mosaics of Grecian History」
...It appears from contemporary testimony that the authority of this celebrated feudal dame was weighty, and widely felt...
Chretien DeTroyes 「Four Arthurian Romances」
...He waswanted by Colonel Stopford at once, not at the camouflagedHeadquarters at the War Department, but at the real Headquarters whereno papers were kept but weighty decisions were made...
Various 「Astounding Stories of Super-Science, October, 1930」
...Of his scientific achievements those nowreckoned most weighty, are the discovery of the Laws of Motion, and thelaying of the foundations of Mechanics...
Oliver Lodge 「Pioneers of Science」
...We then had to carry out all their loads ourselves, and also thehuge and weighty pack-saddles...
Ernest Giles 「Australia Twice Traversed, The Romance of Exploration」
...He had been very nervous and unstrung for some days past, and the prospect of the coming interview was, for some reason he could not explain to himself, weighty with fears...
Marcus Clarke 「For the Term of His Natural Life」
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