Truth is better disengaged from error than torn from it.
Ten builders rear an arch, each in turn lifting it higher; but it is the tenth man, who drops in the keystone, who hears our huzzas.
Doubt is the beginning, not the end, of wisdom.
Error held as truth has much the effect of truth. In politics and religion this fact upsets many confident predictions.
Degree is much: the whole Atlantic might be lukewarm and never boil us a potato.
A calculating engine is one of the most intricate forms of mechanism, a telegraph key one of the simplest. But compare their value.