Too much vigor in the beginning of an undertaking often intercepts and prevents the steadiness and perseverance always necessary in the conduct of a complicated scheme.
Samuel JohnsonWhen I first collected these authorities, I was desirous that every quotation should be useful to some other end than the illustration of a word; I therefore extracted from philosophers principles of science; from historians remarkable facts; from chymists complete processes; from divines striking exhortations; and from poets beautiful descriptions.
Samuel Johnson