The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

Memories， even your most precious ones， fade surprisingly quickly. But I don’t go along with that. The memories I value most， I don’t ever see them fading.

The causal approach is about understanding the mechanisms that generate the data.

The most beautiful words in the English language are 'I told you so.'