从提供的文本中删除所有标点符号，并将每个单词变为小写，并计算其出现次数。


"Time is a created thing. To say 'I don't have time,' is like saying, 'I don't want to.'" - Lao Tzu
time: 2
is: 1
a: 1
created: 1
thing: 1
to: 2
say: 2
i: 2
dont: 2
have: 1
like: 1
saying: 1
want: 1
lao: 1
tzu: 1