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And [mention] when Moses said to his servant, "I will not cease [traveling] until I reach the junction of the two seas or continue for a long period." 60 But when they reached the junction of the two seas, they forgot their fish, and it took its way through the sea as in a tunnel. 61 And when they had gone further, he said unto his servant: Bring us our breakfast. Verily we have found fatigue in this our journey. 62 He said: Didst thou see, when we took refuge on the rock, and I forgot the fish - and none but Satan caused me to forget to mention it - it took its way into the waters by a marvel. 63 He said: This is what we sought for; so they returned retracing their footsteps. 64 Then found they one of Our slaves, unto whom We had given mercy from Us, and had taught him knowledge from Our presence. 65 Moses said to him, "May I follow you, so that you may guide me by what you have been taught?" 66 He (Khidr) said: "Verily! You will not be able to have patience with me! 67 How canst thou bear with that whereof thou canst not compass any knowledge? 68 He said: If Allah pleases, you will find me patient and I shall not disobey you in any matter. 69 He said: then if thou wilt follow me ask me not of anything until I begin thereof some mention. 70
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ملاحظات وتعليمات
Notes and Instructions
كيف تعمل منظومة تمارين الحفظ؟ عند أدنى مستوى 0، تكون كل الكلمات ظاهرة. بينما يُخفي أعلى مستوى 9 كل الكلمات. فكيف تعمل المستويات المتوسطة، مثل 3، على سبيل المثال؟ قد تعتقد بأن المنظومة تخفي 3 من كل تسع كلمات بدقة. ليس تماما! في المستوى 3، لكل كلمة فرصة اختفاء بنسبة 3 من 9، و6 من 9 لتكون ظاهرة. بمعنى آخر، من الممكن، ولكن باحتمال شبة معدوم، أن تكون جميع كلمات المستوى 3 مخفية، أو أن تكون جميعها ظاهرة! وكذلك أيضًا، ففي المستويات المتوسطة، وبما يتناسب مع مستوى الصعوبة، يمكن أن تكون المخابئ غير كاملة أو شفافة جزئيًا بحيث تظهر الكلمات جزئيًا تحتها.
How does the memorization exercise algorithm work? At the lowest level 0, all words are visible. While the highest level 9 hides all words. What about at mid-level, like 3, for example? You might think that the algorithm hides precisely 3 out of every nine words. Not quite! At level 3, each word has a 3 out of 9 chance to hide, and 6 out of 9 to be visible. In other words, it is possible, but highly unlikely, for all words at level 3 to be hidden, or, that all of them to be visible! Also, at mid-levels, and in proportion to the difficulty level, hideouts can be partially incomplete or transparent so that words may be partially visible underneath.