The beauty of topological insulators lies in their robustness; their surface states are protected by symmetry and topology, making them immune to certain types of disorder.

You can't change the people around you, but you can change the people you choose to be around.

In times of crisis, true leadership is measured by actions, not words.

The purpose of business is to make a positive impact, not just a profit.

Any idiot can face a crisis, it’s the day-to-day living that wears you out.