What is called an acute knowledge of human nature ...

We accumulate our opinions at an age when our understanding is at its weakest.

Even truth needs to be clad in new garments if it is to appeal to a new age.

We cannot remember too often that when we observe nature, and especially the ordering of nature, it is always ourselves alone we are observing.

The really frightening thing about middle age is the knowledge that you'll grow out of it.

If repression has indeed been the fundamental link between power, knowledge, and sexuality since the classical age, it stands to reason that we will not be able to free ourselves from it except at a considerable cost.

We are approaching a new age of synthesis. Knowledge cannot be merely a degree or a skill... it demands a broader vision, capabilities in critical thinking and logical deduction without which we cannot have constructive progress.

We live in an age of instant knowledge. And there's almost a sense of entitlement to that.

Youth is the gift of nature, but age is a work of art.

He who is of calm and happy nature will hardly feel the pressure of age, but to him who is of an opposite disposition youth and age are equally a burden.

The stars shall fade away, the sun himself Grow dim with age, and nature sink in years, But thou shalt flourish in immortal youth, Unhurt amidst the wars of elements, The wrecks of matter, and the crush of worlds.

To be happy, we must be true to nature and carry our age along with us.