这句话应该是：艺术为什么重要？口语可以说“为什么艺术重要”，但是书面语不可以。 因为人是有灵魂有精神的动物，艺术就是灵魂和精神的体现。

无用即大用 everything belongs to nature and only art and philosophy belong to humans.

i think art also is a kind of language to show what you see, your feeling , your thoughts, and to get touch with the world ,also yourself. it may face to the public, but the way to deliver is personal. and the imagination is less restricted by the real world. it likes we get the additional space to have breath, from hell to haven.

Because it is the embodiment and expression of culture. Art gives our lives beauty and joy. Art is also a personal or a group form of expression and everyone needs a way to express themselves, that's how they connect with other people and that's what gives our lives meaning.

as music, no restricted boundary, just enjoy in it ,all have chance