On the other hand, the table, turning or talking, has been very much laughed at; to speak the truth, this raillery is out of place. To replace inquiry by mockery is convenient, but not very scientific. For our part, we think that the strict duty of science is to test all phenomena. Science is ignorant, and has no right to laugh; a savant who laughs at the possible is very near being an idiot. The unexpected ought always to be expected by science. Her duty is to stop it in its course and search it, rejecting the chimerical, establishing the real. Science has but the right to put a visa on facts; she should verify and distinguish. All human knowledge is but picking and culling. Because the false mixes with the true, it is no excuse for rejecting the mass. When was the tare an excuse for refusing the corn? Hoe the weed, error, but reap the fact, and place it beside others. Knowledge is the sheaf of facts. The mission of science,--to study and try the depth of everything. All of us, according to our degree, are the creditors of investigation; we are its debtors also. It is owed to us, and we owe it to others. To avoid a phenomenon, to refuse to pay it that attention to which it has a right, to lead it out, to shut to the door, to turn our back on it laughing, is to make truth a bankrupt, and to leave the draft of science to be protested. The phenomenon of the tripod of old, and of the table of to-day, is entitled, like anything else, to observation. Psychic science will gain by it, without doubt. Let us add that to abandon phenomena to credulity is to commit treason against human reason. Homer affirms that the tripods of Delphi walked of their own accord; and he explains the fact[1] by saying that Vulcan forged invisible wheels for them. The explanation does not much simplify the phenomenon. Plato relates that the statues of Dædalus gesticulated in the darkness, had a will of their own, and resisted their master; and that he was obliged to tie them up, so that they might not walk off. Strange dogs at the end of a chain! Fléchier mentions, at page 52 of his "Histoire de Thédodose"--referring to the great conspiracy of the magicians of the fourth century against the emperor--a table-turning of which, perhaps, we shall speak elsewhere, in order to say what Fléchier did not say, and seemed to ignore. This table was covered with a round plating of several metals, _ex diversis metallicis materiis fabrefacta_, like the plates of copper and zinc actually employed in biology. So you may see that the phenomenon, always rejected and always reappearing, is not a matter of yesterday.