Laughter and tears are both responses to frustration and exhaustion. I myself prefer to laugh, since there is less cleaning up to do afterward.
It is a common experience that a problem difficult at night is resolved in the morning after the committee of sleep has worked on it.
Innovation is not just about technology; it's about changing the way we think and act.
The best way to predict the future is to create it.
The key to solving complex problems is to ask the right causal questions.
You can't change the past, but you can shape the future.