"Eh bien, je ne sais pas ce qui va se passer maintenant. Nous avons des jours difficiles devant nous. Mais cela n'a plus d'importance pour moi maintenant. Parce que je suis allé au sommet de la montagne. Et cela ne me dérange pas. Comme n'importe quel homme"

Simplified Meaning:

The speaker is saying that they are unsure about what the future holds and that tough times are coming. Even though most people, including the speaker, want to live a long life, they have reached a point where they are not afraid of what is to come. They have had an important and fulfilling experience that has given them peace and acceptance. Imagine someone who is working hard for a big change, like a leader fighting for people's rights. They know their work is dangerous and might shorten their life, but they continue because they believe it's worth it, even more than their own safety. That experience, the "mountaintop," has given them a profound sense of purpose and contentment. The advice here is about finding something so meaningful that it brings you peace, even when facing challenges or uncertainties. It's about understanding what truly matters to you and being willing to pursue it wholeheartedly, without fear.