Man is a sun; his senses are the planets. Novalis.
Man is a tool-using animal; ... without tools he is nothing, with tools he is all. Carlyle.
Man is actually here, not to ask questions but to do work; in this time, as in all times, it must be the heaviest evil for him if his faculty of action lie dormant, and only that of sceptical inquiry exert itself. Carlyle.
Man is an animal that cooks his victuals. Burke.
Man is an animal that makes bargains; no other animal does this. Adam Smith.
Man is an imitative creature, and whoever is foremost leads the herd. Schiller.
Man is, and always was, a blockhead and dullard; much readier to feel and digest than to think and consider. Carlyle.
Man is, beyond dispute, the most excellent of created beings, and the vilest animal is a dog; but the sages agree that a grateful dog is better than an ungrateful man. Saadi.
Man is born not to solve the problems of the 5 universe, but to find out where the problem begins, and then to restrain himself within the limits of the comprehensible. Goethe.
Man is born unto trouble, as the sparks fly upward. Bible.