“Fir : it contains a great deal of air and fire with very little moisture and the earthy, so that, as its natural properties are of the lighter class, it is not heavy. Hence, its consistence being naturally stiff, it does not easily bend under the load, and keeps its straightness when used in the framework. But it contains so much heat that it generates and encourages decay, which spoils it; and it also kindles fire quickly because of the air in its body, which is so open that it takes in fire and so gives out a great flame.”
![“Leave a cavity behind the [wall] facings, and on the inside build walls two feet thick, made of red dimension stone or burnt brick or lava in courses, and then bind them to the fronts by means of iron clamps and lead. The beds and builds, all settling equally and bonded at the joints, will not let…” quote by Marcus Vitruvius Pollio](https://sms4smile.com/quotes/img-quotes/d76/marcus-vitruvius-pollio-7498_bed_leave-a-cavity-behind-the-wall-facings-a_5922.jpg)
![“The [engineer] should be equipped with knowledge of many branches of study and varied kinds of learning, for it is by his judgement that all work done by the other arts is put to test. This knowledge is the child of practice and theory.” quote by Marcus Vitruvius Pollio](https://sms4smile.com/quotes/img-quotes/afa/marcus-vitruvius-pollio-7498_art_the-engineer-should-be-equipped-with-kno_386834.jpg)
![“All these soft kinds [of stone] have the advantage that they can be easily worked as soon as they have been taken from the quarries. Under cover, they play their part well; but in open and exposed situations the frost and rime make them crumble, and they go to pieces. On the seacoast, too, the…” quote by Marcus Vitruvius Pollio](https://sms4smile.com/quotes/img-quotes/541/marcus-vitruvius-pollio-7498_advantage_all-these-soft-kinds-of-stone-have-the-a_406721.jpg)
![“Just between you and me, shouldn’t the World Bank be encouraging MORE migration of the dirty industries to the LDCs [Less Developed Countries]?... I think the economic logic behind dumping a load of toxic waste in the lowest wage country is impeccable and we should face up to that... I’ve always…” quote by Lawrence Summers](https://sms4smile.com/quotes/img-quotes/ac4/lawrence-summers-16940_air_just-between-you-and-me-shouldn-t-the-wo_4703.jpg)
![“[A]s you partake of the world's bill of fare, that's darned good advice to follow. Do a lot of spitting out the hot air. And be careful what you swallow.” quote by Dr. Seuss](https://sms4smile.com/quotes/img-quotes/da8/dr-seuss-1224_advice_a-s-you-partake-of-the-world-s-bill-of-f_6806.jpg)