Science is not about being right; it's about being less wrong over time.
Every tomorrow has two handles. We can take hold of it with the handle of anxiety or the handle of faith.
Love isn't about when you first meet. It's about the many, many years you spend together, when you're trying to keep that flame burning.
The boundary between physics and mathematics is not as clear-cut as we might think.
The value of an economic model lies in its ability to explain and predict.
The power of poetry is in its simplicity and depth.