Topology is the study of the properties of a figure that are unchanged by any deformation.

The soul needs only one thing: to do what the body is doing.

Financial support for the real economy should be precise and effective.

All that we see or seem is but a dream within a dream.

The art of progress is to preserve order amid change and to preserve change amid order.

Success is not final, failure is not fatal: it is the courage to continue that counts.