In any event, I don't believe in instant philosophy, because interesting problems take a long time to understand and work out. Just think of the problems of truth and justice.

It occurred to me that I had the duty to give society something in exchange for the free education I was getting.

To me, work is not a burden but my main hobby. This is why I always take work with me when I go on holidays. Moreover, that's when new projects occur to me: while contemplating beautiful landscapes or seascapes.

It is scandalous the way some scientists accept uncritically some of the most ridiculous speculations, such as the plurality of worlds, the opinion that spacetime has more than 4 dimensions, that particles can move faster than light, or that human life can be prolonged indefinitely.

One should believe only what can be chosen to be true or just. Irrational (or unjustified) beliefs should be avoided because they can have disastrous practical consequences.

Few if any political philosophers have had the courage of tackling the Cold War. Even the best of them have kept silent or have stated some bromides glossing over the serious shortcomings of "our" side, such as racism, social injustice, extreme income disparities, the exploitation of the Third World, and environmental degradation.

All the electronic devices are weakening the social bonds. Sociologists and psychologists should study this serious threat instead of repeating that communication is the cement of society.