YOU SAID:

since the affairs of man rest still uncertain let us reason with the worst that may befall

INTO JAPANESE

人間の事柄はまだ不確かなので、起こりうる最悪の事態で推論しましょう

BACK INTO ENGLISH

Humans are still uncertain, so let's reason at the worst possible situation.

INTO JAPANESE

人間はまだ不確かなので、最悪の状況で推論しましょう。

BACK INTO ENGLISH

Humans are still uncertain, so let's reason in the worst case.

INTO JAPANESE

人間はまだ不確かなので、最悪の場合は推論しましょう。

BACK INTO ENGLISH

Humans are still uncertain, so in the worst case let's reason.

INTO JAPANESE

人間はまだ不確かなので、最悪の場合は推論しましょう。

BACK INTO ENGLISH

Humans are still uncertain, so in the worst case let's reason.