Joy is the vital air of the soul.

Blessed be childhood, which brings down something of heaven into the midst of our rough earthliness.

Our dependence outweighs our independence, for we are independent only in our desire, while we are dependent on our health, on nature, on society, on everything in us and outside us.

To know how to suggest is the art of teaching.

At bottom, everything depends upon the presence or absence of one single element in the soul - HOPE

Let mystery have its place in you ; do not be always turning up your whole soil with the ploughshare of self-examination, but leave a little fallow corner in your heart ready for any seed the winds may bring.

The art which is grand and yet simple is that which presupposes the greatest elevation both in artist and in public.