You have to grind when no one else is grinding so you can shine when no one else is shining.

Thank God, under our Constitution there was no connection between church and state.

Science is not about being the first; it's about being patient and persistent.

"The value of a thought lies in its functional efficacy."

The writer is delegated to declare and to celebrate man's proven capacity for greatness of heart and spirit—for gallantry in defeat, for courage, compassion and love. In the endless war against weakness and despair, these are the bright rally flags of hope and of emulation.

你无法改变生命的长度，但你可以改变它的宽度和深度。