Surely, Surely, Surely/ certainly/ all the more so
Certainly and certainly. One upon another many times. Clear from it. A fortiori (an argument from minor to major).
("And Rabbi Yochanan ben Nuri said: I bear witness against heaven and earth that many times Akiva has been afflicted with my hands, that I would be a witness against him before Rabban and all that I have added to him with love" - Arachin 16b, and so: "The great disease and the great evil, that all the things that a man finds written - will first arise in his heart that they are true, And every one who dwells, if there are ancient books... and he will say in his heart: And why should a liar make a writer's pen?" - Harambam/ Letter to the Sages of Montpellier on the division of the stars, 437, and so: "And there are leaders who are called Rabbi... and not only that they are not able even to lead the wise man as a man, and of all the ones who are not "Able to lead others" - R. Nachman of Breslau/ Likutei Moharan, Torah 61, 2, and so on: "And is man like an animal? All that is Jewish?" - Shalom Aleichem/ Nachat Avot, Keg, and so on: "The Mochsan R. Getzei conceived a Jew from the assembly of Orech...and now that the Holy One, blessed be He, has remembered him and has brought him and raised him to see his little grandson...all "Shchen and all shchen!" - Bialik / Good Friday, 3, Kanu)
Translation
Expression (Hebrew)
וְכָל שֶׁכֵּן, כָּל שֶׁכֵּן וְכָל שֶׁכֵּן
Definition (Hebrew)
בְּוַדַּאי וּבְוַדַּאי. עַל אַחַת כַּמָּה וְכַמָּה. בָּרוּר מֵאֵלָיו. קַל וָחֹמֶר.
("וְאָמַר רַבִּי יוֹחָנָן בֶּן נוּרִי: מֵעִיד אֲנִי עָלַי שָׁמַיִם וָאָרֶץ שֶׁהַרְבֵּה פְּעָמִים לָקָה עֲקִיבָא עַל יְדֵי, שֶׁהָיִיתִי קוֹבֵל עָלָיו לִפְנֵי רַבָּן וְכָל שֶׁכֵּן שֶׁהוֹסַפְתִּי בּוֹ אַהֲבָה"-עֲרָכִין טז ע"ב, וְכֵן:"הַחֹלִי הַגָּדוֹל וְהָרָעָה הַחוֹלֶה, שֶׁכָּל הַדְּבָרִים שֶׁיִּמְצָא אָדָם כְּתוּבִים- יַעֲלֶה עַל לִבּוֹ בַּתְּחִלָּה שֶׁהֵם אֱמֶת, וְכָל שֶׁכֵּן אִם יִהְיוּ סְפָרִים קַדְמוֹנִים...וְיֹאמַר בְּלִבּוֹ: וְכִי לְשַׁקֵּר עֲשֵׂה עֵט סוֹפְרִים?"-הָרַמְבָּ"ם/ אִגֶּרֶת אֶל חַכְמֵי מוֹנְטְפְּשֵׁלִיר עַל גְּזֵרַת הַכּוֹכָבִים, 437, וְכֵן:"וְיֵשׁ מַנְהִיגִים שֶׁנִּקְרָאִים רַבִּי...וְלֹא דַּי שֶׁאֵינָם יְכוֹלִים אֲפִלּוּ לְהַנְהִיג אֶת עַצְמָן כַּנַ"ל, וּמִכָּל שֶׁכֵּן שֶׁאֵינָם יְכוֹלִים לְהַנְהִיג אֶת אֲחֵרִים"- ר' נַחְמָן מִבְּרֶסְלָב/ לִקּוּטֵי מוהר"ן, תּוֹרָה ס"א, ב', וְכֵן:"וּכְלוּם דּוֹמֶה אָדָם לִבְהֵמָה?כָּל שֶׁכֵּן יְהוּדִי?"- שָׁלוֹם עֲלֵיכֶם/ נַחַת אָבוֹת, קעג, וְכֵן:"הַמּוֹכְסָן ר' גִּצֵּי הֲרֵיהוּ יְהוּדִי מַכְנִיס אוֹרֵחַ...וְעַכְשָׁו שֶׁזִּכָּהוּ הקב"ה וְהִגִּיעָהוּ וְקִיְּמָהוּ לִרְאוֹת נֶכֶד קָטָן...כָּל שֶׁכֵּן וְכָל שֶׁכֵּן!"-בְּיָאלִיק / יוֹם הַשִּׁשִּׁי הַקָּצָר,ג, קָנוּ)