The surest way of ruining a youth is to teach him to respect those who think as he does more highly than those who think differently from him.

The surest way to corrupt a youth is to instruct him to hold in higher esteem those who think alike than those who think differently

Youth is an unpleasant period; for then it is not possible or not prudent to be productive in any sense whatsoever.

To learn and never be filled, is wisdom; to teach and never be weary, is love.

The crowd of influences streaming on the young soul is so great, the clods of barbarism and violence flung at him so strange and overwhelming, that an assumed stupidity is his only refuge.

The surest way to corrupt a youth is to instruct him to hold in higher esteem those who think alike than those who think differently