We are more disturbed by a calamity which threatens us than by one which has befallen us.

Our prejudices are like physical infirmities — we cannot do what they prevent us from doing.

Contradiction is the salt which keeps truth from corruption

A liberal education is that which aims to develop faculty without ulterior views of profession or other means of gaining a livelihood. It considers man an end in himself and not an instrument whereby something is to be wrought. Its ideal is human perfection.

The doubt of an earnest, thoughtful, patient and laborious mind is worthy of respect. In such doubt may be found indeed more faith than in half the creeds.

Be suspicious of your sincerity when you are the advocate of that upon which your livelihood depends.

Leave each one his touch of folly; it helps to lighten life's burden which, if he could see himself as he is, might be too heavy to carry.