November 25, 2014 Ayatollah Khamenei, the Supreme Leader of the Islamic Revolution, in a meeting with participants of the International Congress on "Extremist and Takfiri Orientations from the Viewpoint of Islamic Scholars".
Speech link
http://english.khamenei.ir//index.php?option=com_content&task=view&id=1985&Itemid=4

07th May 2014
Ayatollah Khamenei, the Supreme Leader of the Islamic Revolution, met Wednesday morning with thousands of teachers. Speaking at the meeting, His Eminence described acquiring knowledge, teaching, and strengthening morality as the three main elements of the noble and glorious vocation of teaching.
Speech Translation Link
http://english.khamenei.ir//index.php?option=com_content&task=view&id=1906&Itemid=4

[English Sub] Leader describes resistance approach against arrogant powers 17 Feb 2014
Transcript of Speech

http://english.khamenei.ir//index.php?option=com_content&task=view&id=1868&Itemid=4

August 17, 2015
Ayatollah Khamenei, the Supreme Leader of the Islamic Revolution, in a meeting with the participants of Ahlul Bayt World Assembly and the members of Islamic Radio and Television Union