我不需要理由去对自己的选择有信心。
释义:如果不能长久地保持其君子之德,就可能蒙受羞辱。
数学的真正力量在于它能够简化复杂的事物,并揭示宇宙的潜在模式。
People work better when they know what the goal is and why.It is important that people look forward to coming to work in the morning and enjoy working.
城市是一所学校,它的建筑是老师。