The only limit to our realization of tomorrow is our doubts of today.
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.
People are curious. A few people are. They will be driven to find things out, even trivial things. They will put things together, knowing all along that they may be mistaken.
我们都是自以为是的伪君子。