Love is like a tree, it grows of its own accord, it puts down deep roots into our whole being.
There are no trifles in the human story, no trifling leaves on the tree.
He who abandons the field is beaten.
Work, which makes a man free, and thought, which makes him worthy of freedom.
Where the telescope ends the microscope begins, and who can say which has the wider vision?
Work is the law of life, and to reject it as boredom is to submit to it as torment.
Music expresses that which cannot be put into words and that which cannot remain silent.
A study can be made against invasion by an army; no stand can be made against invasion by an idea.
The greatest happiness of life it the conviction that we are loved -- loved for ourselves, or rather, loved in spite of ourselves.
Nothing is more powerful than an idea whose time has come.