What things may be in themselves we do not know, nor need we care to know, because, after all, a thing can never come before me otherwise than as an … - Immanuel Kant

…what things may be in themselves, I know not, and need not know because a thing is never presented to me otherwise than as a phenomena.

To these spurious principles must be added some others of great affinity with them… First, that by which we assume that everything in the universe is done according to the order of nature, which principle by Epicurus was proclaimed without any restriction, and by all other philosophers unanimously with extremely rare exceptions, not to be admitted but from supreme necessity.

Man must be disciplined, for he is by nature raw and wild..

For when we allow the arguments of reason to oppose one another with perfect freedom, something useful and serviceable for the correction of our judgements will always result, though it may not always be what we were looking for.