鍛鍊相關的英文金句有：
* 鍛鍊是生命的源泉。 Physical exercise is the lifeblood of life.
* 每天鍛鍊一小時，健康工作五十年，幸福生活一輩子。An hour of exercise a day, a healthy life of fifty years, a happy life all one's life.
* 運動健身，動動更健康。 Physical exercise is better than medication.
* 健身鍛鍊要經常，提高身體抵防力。 Physical exercise should be frequently conducted to improve one's resistance.
* 生命在於運動。 Life lies in movement.
* 健身鍛鍊貴在堅持，重在形成規律。 It is essential to adhere to regular exercise in fitness training.
以上內容僅供參考，建議查找具有個人特色的語句來表達對鍛鍊的看法。