Given a sentence in English language, translate the sentence to Tagalog language keeping the meaning of the original sentence intact.

English sentence: 1:6-10: The importance of self-analysis.
1;6-10: Ang kahalagahan ng pansariling pagsusuri.

English sentence: The sound of a letter is not changed in any way by the shape of the kudlit; it is changed by the position of the kudlit.
Ang hugis ng kudlit ay walang kaugnayan sa pagbigkas ng isang titik; ang pagbigkas ay batay sa kinalalagyan ng kudlit.

English sentence: In the seventh century, Muhammad claimed the angel Gabriel visited him.

Inaangkin niya na dinalaw siya ni Anghel Gabriel.