The bond market is the ultimate truth-teller.
You must be the best judge of your own happiness.
如果你不害怕，你会做什么？
The best solutions are often the simplest ones.
La felicidad es una forma de coraje.
We are all exiles from someplace, even if it's from our own childhood.
States are rational actors that seek to maximize their relative power in order to ensure their survival in a competitive international system.
The mathematician's best work is art, a high perfect art, as daring as the most secret dreams of imagination, clear and limpid.