The teacher is not in school to impose certain ideas or to form certain habits in the child, but is there as a member of the community to select the influences which shall affect the child and to assist him in properly responding to those influences.

Leadership is action, not position.

Keep your feet on the ground and keep reaching for the stars.

The first duty of a man is to think for himself.

人类最后的自由是在任何特定环境下选择自己态度的能力。