What has caused me to make you my companion in satisfying my curiosity--that does not concern you.

It is enough that now we have an opportunity to satisfy our mutual desire, and all depends on whether you will agree to accept the conditions upon which I can make you a partner in my investigation.' "'If these are not against honor and conscience.' "'In this respect you have nothing to risk, you are rather risking something else--your life.

Do you feel that you are capable of facing a serious danger ?' "'For the sake of science, yes!' "'Very well, in that case I must tell you that I will lead you to a place which we will not leave alive, if our presence is discovered.
The slightest suspicion that we were uninvited witnesses of the secret will bring upon us persecution which will kill us sooner or later.' "'You are whetting my curiosity, signor!' "'That is all I wanted to tell you.

The other thing--you know that I am a Jew by birth.

Although the Jews have driven me from their midst and cursed me according to their custom and traditions because I adopted Christianity,--still I have my own reasons for stipulating a condition--your word of honor that you will be silent about all you will see and hear, until I authorize you to speak.' "'I swear by my honor.' "'Very well.