To fix the fluctuating mass of theories, no man has suggested any other expedient than the construction of some new theory, to whose authority... all… - Alexander Bryan Johnson

We need not wade into the current of Niagara Falls unless we please; but, after we have waded in we must thereafter be governed by the course and force of the stream.

In her youth she had indulged a passion towards a young monarch of a neighbouring island, Glanden, whose subjects, though they enjoyed the benefits of fairly-dispensed justice, suffered such disparities of condition, that some of them were born with saddles on their backs, and others booted and spurred to mount and ride during their lives. Shocking! yet countless eyes certified its truth: nay, even the Glandens admit the charge, but deem their island the most delightful in the world, and the most favourable for human improvement and comfort.

Locke supposes that a person acquainted sensibly with the colours which compose a rainbow, can by the names of such colours in a verbal description, be made visually acquainted with a rainbow. The verbal description will give such a person's intellect a good verbal definition of the word rainbow, but it cannot communicate the sight to the extent that it differs, in any manner from the sights he already knows.