among all the worthy feelings of mankind,love is probably th

among all the worthy feelings of mankind,love is probably the noblest.it is of the utmost importance to the human beings.
" it is of the utmost importance to the human beings"中间的of是什么用?去掉可以吗?it is utmost important to the human beings可以吗?
这个句子再翻译一遍好吗？