אָ֤ז תַּחְפֹּ֣ץ זִבְחֵי־צֶ֭דֶק עוֹלָ֣ה וְכָלִ֑יל אָ֤ז יַעֲל֖וּ עַל־מִזְבַּחֲךָ֣ פָרִֽים׃
那時你必喜愛公義的祭，就是燔祭和全然焚燒的祭；那時人必將公牛獻在你的壇上。
Shenei Luchot HaBerit
When one can pay "lip-service" – as in the case of the substitution of prayer for the sacrifice – one's lips move normally and do not display a sign that their owner grieves over the fact that he has to content himself with such "lip-service." Nowadays, when in exile, our "lip-service" is accompanied by our lips becoming painfully distorted when we really grieve over our inability to fulfil our duty in the optimal manner. To contrast this experience with the way we shall feel after the Temple will be restored, David says in Psalms 126,2: אז ימלא שחוק פינו ולשוננו רנה, "Then our mouths shall be filled with laughter and our tongues with songs of joy."