how to translate conscientious? 感觉舟子所为可以用二个形容词conscientious and rational -- 可否译为正义感和理性。

conscientious in http://www.thefreedictionary.com/conscientiously
1. Guided by or in accordance with the dictates of conscience; principled: a conscientious decision to speak out about injustice.
2. Thorough and assiduous: a conscientious worker; a conscientious effort to comply with the regulations.