"The greatest danger facing mankind is that we are losing our sense of responsibility."

"Fear is the main source of the atrophy of the will, which is the main characteristic of the modern age."

"The absurd is the only way to describe the world we live in."

"I am an optimist, but I am also a realist."

"Hope is not the conviction that something will turn out well, but the certainty that something makes sense, regardless of how it turns out."