The truth is often hidden, and it takes courage to uncover it.

The most dangerous lies are the ones we believe about ourselves.

"In tennis, like in life, you have to keep moving forward—one point at a time."

The concept of inflation suggests that the universe underwent a period of extremely rapid expansion shortly after the Big Bang.

I think it's important to stand up for what you believe in.

Success comes from focusing on what you can control and letting go of what you cannot.