The best Quotations

It is the superfluous things for which men sweat.
- Seneca

Do you know the writers of the following quotations?

Quotation Everything you see I owe to spaghetti. - writer
Quotation It matters if you just don't give up. - writer
Quotation What we obtain too cheap, we esteem too lightly; it is dearness only that gives everything its value. - writer
Quotation It is impossible to give a clear account of the world, but art can teach us to reproduce it, just as the world reproduces itself in the course of its eternal gyrations. The primordial sea indefatigably repeats the same words and casts up the same astonished beings on the same sea-shore. - writer
Quotation Don't look back. Something might be gaining on you. - writer
Quotation If we are suffering illness, poverty, or misfortune, we think we shall be satisfied on the day it ceases. But there too, we know it is false; so soon as one has got used to not suffering one wants something else. - writer