Reading solitude idleness a soft and sedentary life intercourse with women and young people these are perilous paths for a young man and these lead him constantly into danger.

There is nothing more difficult to take in hand more perilous to conduct or more uncertain in its success than to take the lead in the introduction of a new order of things.

A strength to harm is perilous in the hand of an ambitious head.

Learning without thought is labor lost thought without learning is perilous.

I could not tread these perilous paths in safety if I did not keep a saving sense of humor.

History is a guide to navigation in perilous times. History is who we are and why we are the way we are.

We have not given science too big a place in our education but we have made a perilous mistake in giving it too great a preponderance in method in every other branch of study.

To act coolly intelligently and prudently in perilous circumstances is the test of a man - and also a nation.

By far my most perilous assignment was covering a tank car explosion.

Solitude gives birth to the original in us to beauty unfamiliar and perilous - to poetry. But also it gives birth to the opposite: to the perverse the illicit the absurd.