joy
The German word for joy is "Freude". It is a noun that is used to express a feeling of great pleasure and happiness. It can be used in a variety of contexts, such as in reference to a person's overall happiness or in reference to a specific moment of joy. For example, one might say "Ich habe Freude an meinem neuen Job" (I am enjoying my new job) to express their happiness about their new job.
Joy makes life more beautiful.
The phrase in German is stating that happiness or joy makes life more pleasing or attractive, indicating the positive impact of joy on someone's life.
The joy of work is important.
The sentence refers to the expression that one must have enjoyment or joy in what they do for a living, stressing the significance of passion in professional life.
Joy and sorrow are part of life.
This is an aphorism saying that happiness (joy) and sadness (sorrow) are inherent aspects of human life, one cannot exist without the other.