The only substances able to form a planet of that size, at that temperature, are rock and ice.

If you're going to be a wannabe, make sure you 'wannabe' something great. The most shocking thing about wannabes, is they largely want to be something irrelevant, vein, or just plain petty.

People talk about 'lives of significance'-as if there's an alternative. If you're not leading a life of significance, you're not living.

In the end, failing to plan and planning to fail aren't so different.

Wisdom doesn't teach fools for long.

The famous names throughout history-be they heroes or villains-if they accomplished anything notable, they were passionate. Passion is what drives those who accomplish momentous feats, for good or evil.

The key to contentedness is not the absence of work; neither is it to cap each day with the witless abandon of hollow entertainment, but to fill your days with that which fills your life with meaning.

It's possible to love without sacrificing-but who would notice? For love is demonstrated only through sacrifice-without it, love is invisible.

The more seriously you take yourself, the less others will.

We?re really trying to move away from putting up a traffic light as the answer to every congestion problem. Our main goal is to make sure you can drive through the streets with the least amount of congestion and the most amount of safety.