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The insect (a butterfly) flutters its wings as if to test their power before committing itself to the air; and frequently, after only a few seconds spent in this preparatory exercise, off it darts with astonishing rapidity. But others seem far more cautious. They vibrate their wings, sometimes with such rapidity that they are lost in a kind of mist, and with such power that their bodies would be carried suddenly into the air were they not firmly anchored by three pairs of hooked claws. Then, continuing the rapid vibration, they move slowly along, always holding on firmly by one or more legs, as if to still further satisfy themselves concerning the efficiency of their wings. Then they venture on a few short trial trips from one neighboring object to another, and at last gain sufficient confidence for a long voyage.—W. Furneaux, “Butterflies and Moths.”

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Experiment as Proof—See [Compromises in Gravities].

Experimentation—See [Success by Experimentation].

EXPERT ASSISTANCE

It is usually better to take advantage of the assistance of some one who knows than to waste effort on that which is out of our province of activity.

A lady missionary was about to leave London for India. She had been provided with trunks considered ample for the accommodation of all her belongings, but even with the kind help of all the members of her family, she could not get them into the space. Many were left over. Repeated trials were made in vain. The thought occurred to send for a professional packer. The expert, in a short time, had everything neatly deposited in the trunks.

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