"valley of salt tears" and "dark, deep and foggy" are two images used to establish a mood of uncertainty and regret. this imagery is made up of sensory appeals to brings up theological concerns of sin and retribution.
they conjure up the human uncertainty about the divine and its relationship to the world.
the third paragraph is your answer,
"but, in a larger sense, we can not dedicate — we can not consecrate — we can not hallow — this ground. the brave men, living and dead, who struggled here, have consecrated it, far above our poor power to add or detract. the world will little note, nor long remember what we say here, but it can never forget what they did here. it is for us the living, rather, to be dedicated here to the unfinished work which they who fought here have thus far so nobly advanced. it is rather for us to be here dedicated to the great task remaining before us— that from these honored dead we take increased devotion to that cause for which they gave the last full measure of devotion—that we here highly resolve that these dead shall not have died in vain—that this nation, under god, shall have a new birth of freedom—and that government of the people, by the people, for the people, shall not perish from the earth. "
getting ready for work:
i sit up in bed, the time is 6: 15.
i go in the bathroom and take a long hot shower and brush my teeth.
i get dressed then grab my keys and open the door, then i realize it is raining so i go back and get an umbrella.
when i get in my car it has very little gas and right when i get there my car runs out of gas.
when i get inside i am fired for being late.
i hope this i spent an hour on this.