Pozzolana.-There is... a kind of powder which from natural causes produces astonishing results. It is found in the neighborhood of Baiae and in the country belonging to the towns round about Mt. Vesuvius. This substance when mixed with lime and rubble not only lends strength to buildings of other kinds, but even when piers of it are constructed in the sea, they set hard under water.
VitruviusRelated topics
country found hard kind natural round rubble sea set strength under waterRelated quotes
Holy Tradition is neither a tradition of men, nor a philosophy, nor some kind of trickery, but is the word of God that He delivered to us personally. The great Apostle Paul teaches and exhorts us to keep with vigour the traditions, saving; "Therefore, brethren, stand fast, and hold the traditions which ye have been taught, whether by word, or our epistle."
Cleopa Ilie
Everywhere Christians are tempted to take the easy path, to seek "peace" and "security" and flee from pain and affliction, to view life as an occasion for the enjoyment of earthly blessings, instead of a time of trial in which our eternal destiny is to be decided. But God expects more than this from those who glory in the name of Orthodox Christians.
Seraphim Rose
No one will ever be closer to you than your parents. And no one's heart will ache for you as much as a parent's does. Father and Mother are the only ones who care about you more than anything else in the world, the only ones who truly love you. In the world, many things can be found again, but you can't find another Father or another Mother. Parents sacrifice themselves, lighting our path...
Ephraim of Arizona
Dimension stone, flint, rubble, burnt or unburnt brick,-use them as you find them. For it is not every neighborhood or particular locality that can have a wall built of burnt brick like that at Babylon, where there was plenty of asphalt to take the place of lime and sand, and yet possibly each may be provided with materials of equal usefulness so that out of them a faultless wall may be built to last forever.
Vitruvius
He that is to govern a whole Nation, must read in himself, not this, or that particular man; but Mankind; which though it be hard to do, harder than to learn any Language, or Science; yet, when I shall have set down my own reading orderly, and perspicuously, the pains left another, will be only to consider, if he also find not the same in himself. For this kind of Doctrine, admitteth no other Demonstration.
Thomas Hobbes