...the tendency is to wedge the metal sheets which compose the flume between the wings of the inner or wing bar.

Thus, in a given society, the authority of man over man is inversely proportional to the stage of intellectual development which that society has reached; and the probable duration of that authority can be calculated from the more or less general desire for a true government, — that is, for a scientific government. And just as the right of force and the right of artifice retreat before the steady advance of justice, and must finally be extinguished in equality, so the sovereignty of the will yields to the sovereignty of the reason, and must at last be lost in scientific socialism.

[…] though all the windes of doctrin were let loose play upon the earth, so Truth be in the field, we do injuriously by licencing and prohibiting to misdoubt her strength.

A hydraulic press is operated by the differential pressure of water on pistons of different dimensions.