diff --git a/source/Ox/js/Collection.js b/source/Ox/js/Collection.js
index a71fd6ac..ce2c6cb4 100644
--- a/source/Ox/js/Collection.js
+++ b/source/Ox/js/Collection.js
@@ -111,9 +111,9 @@ Ox.every <f> Tests if every element of a collection satisfies a given condition
     > Ox.every([true, true, true])
     true
 @*/
-Ox.every = function(collection, iterator) {
+Ox.every = function(collection, iterator, that) {
     return Ox.filter(
-        Ox.values(collection), iterator || Ox.identity
+        Ox.values(collection), iterator || Ox.identity, that
     ).length == Ox.len(collection);
 };
 
@@ -506,16 +506,11 @@ Ox.some <f> Tests if one or more elements of a collection meet a given condition
     > Ox.some([false, null, 0, '', void 0])
     false
 @*/
-Ox.some = function(collection, iterator) {
-	iterator = iterator || Ox.identity;
-	var ret = false;
-	Ox.forEach(collection, function(value, key, collection) {
-		if (iterator(value, key, collection)) {
-			ret = true;
-			return false; // break
-		}
-	});
-	return ret;
+Ox.some = function(collection, iterator, that) {
+    iterator = iterator || Ox.identity;
+    return Ox.forEach(collection, function(value, key, collection) {
+        return !iterator.call(that, value, key, collection);
+    }) < Ox.len(collection);
 };
 
 /*@