Nichiren Daishonin states in “The Selection of the Time”:

Therefore I say to you, my disciples try practising as the Lotus Sutra teaches, exerting yourselves without begrudging your lives! Test the truth of Buddhism!

宗祖日莲大圣人于《撰时抄》曰:

然则，我弟子等当试之，如法华经不惜身命修行，当试佛法矣。