art
The German word 'Kunst' translates to 'art' in English. It is used in the same context as in English, referring to creative works or expressions of human imagination, such as paintings, sculptures, music, and literature. 'Kunst' can also refer to a skill or technique, such as 'die Kunst des Kochens' (the art of cooking).
Art is a universal language.
This is a general statement which means that art is a form of expression understood by everyone, regardless of their linguistic background.
The art of thinking is hard to master.
Here, the phrase highlights the notion that thinking creatively or critically—much like an art—can be intricate and tough to fully grasp or excel at.
Art always remains a matter of interpretation.
This phrase draws attention to the subjectivity of art. Everyone perceives and interprets art in their own way, thus its meaning can vary from person to person.