• You should use a text block

    when it improves the clarity of the code,

    particularly with multi-line strings.

    String original = "Do not try to satisfy your vanity by teaching a great many things.\n"
                    + "Awaken people's curiosity.\n"
                    + "It is enough to open minds; do not overload them.\n"
                    + "Put there just a spark.\n"
                    + "If there is some good inflammable stuff, it will catch fire.";
    
    String better= """
                    Do not try to satisfy your vanity by teaching a great many things.
                    Awaken people's curiosity. 
                    It is enough to open minds; do not overload them. 
                    Put there just a spark. 
                    If there is some good inflammable stuff, it will catch fire.
                    """;