I never could have done what I have done without the habits of punctuality order and diligence without the determination to concentrate myself on one subject at a time.
Few things tend more to alienate friendship than a want of punctuality in our engagements. I have known the breach of a promise to dine or sup to break up more than one intimacy.
Punctuality is one of the cardinal business virtues: always insist on it in your subordinates.
All science requires mathematics. The knowledge of mathematical things is almost innate in us. This is the easiest of sciences a fact which is obvious in that no one's brain rejects it for laymen and people who are utterly illiterate know how to count and reckon.