Quotes

The power to question is the basis of all human progress.

My grandfather once told me that there were two kinds of people; those who do the work and those who take the credit.

The reading of all good books is like a conversation with the finest minds.

The death of dogma is the birth of morality.

Rules for happiness: something to do, something to love, something to hope for.

Truth is the child of time; erelong she shall appear to vindicate thee.

Act only according to that maxim whereby you can... will that it should become a universal law.

Thoughts without content are empty, intuitions without concepts are blind.

He who is cruel to animals becomes hard also in his dealings with men.

We are not rich by what we possess but by what we can do without.

Act in such a way that you treat humanity... always at the same time as an end.

Dare to know! Have the courage to use your own intelligence!