持志如心痛。
解析:一心在痛上,便无暇顾及他事。
存心养性要谦抑专一,如春天般的舒缓温和;自察反省要谨慎严格,像秋天般冷峻严肃。
The real question is not whether machines think but whether men do.
Innovation is the key to unlocking a sustainable energy future.