The best Quotations

A wonderful fact to reflect upon, that every human creature is constituted to be that profound secret and mystery to every other.
- Charles Dickens

Do you know the writers of the following quotations?

Quotation If a man does not know what port he is steering for, no wind is favorable to him. - writer
Quotation I find that the harder I work, the more luck I seem to have. - writer
Quotation I will say this for adversity: people seem to be able to stand it, and that is more than I can say for prosperity. - writer
Quotation Always render more and better service than is expected of you, no matter what your task may be. - writer
Quotation There is nothing which has yet been contrived by man, by which so much happiness is produced as by a good tavern. - writer
Quotation Nature makes us poor only when we want necessaries, but custom gives the name of poverty to the want of superfluities. - writer