Which sentence in this excerpt from "marriage and love" by emma goldman shows the writer's opinion that a woman must make a greater sacrifice in marriage compared to a man?

1) certainly the growing-used to each other is far away from the spontaneity, the intensity, and beauty of love, without which the intimacy of marriage must prove degrading to both the woman and the man.

2) it differs from the ordinary life insurance agreement only in that it is more binding, more exacting

3) man, too, pays his toll, but as his sphere is wider, marriage does not limit him as much as woman

4) thus dante's motto over inferno applies with equal force to marriage. "ye who enter here leave all hope behind."

5) one has but to glance over the statistics of divorce to realize how bitter a failure marriage really is