What the heck???

What the heck???
“With hocked gems financing him, he defied all
scornful laughter that tried to prevent his scheme.
‘Your eyes deceive,’ they said. ‘It is like a table, not
an egg.’ Now three sturdy sisters sought truth. As
they forged along, sometimes through calm
vastness, yet more often over turbulent peaks and
valleys, their days became weeks as many
doubters spread fearful rumors about the edge. At
last, from nowhere winged creatures appeared,
signifying the journey’s end.”