Kokoro, by Natsume Soseki (paragraph #523)

「あんまり逆上ちや不可ません」と先生がいつた。

translation

The teacher said, "I can't be too frenzied."

kanji (pronunciations & definitions)
逆上: going into a frenzy (ぎゃくじょう), flying into a rage 不可: wrong (ふか), bad, improper, unjustifiable, inadvisable 先生: teacher (せんせい), instructor, master, sensei, title or form of address for a teacher, master, doctor, lawyer, etc.

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