I am an investigator by inclination. I feel a great thirst for knowledge..

Beneficence is a duty..

Enlightenment is man's emergence from his self-imposed immaturity...No thing is required for this enlightenment.. .except freedom; and the freedom in….

Dare to know! Have the courage to use your own intelligence!.

Enlightenment is man's emergence from his self-incurred immaturity..

In every department of physical science there is only so much science, properly so-called, as there is mathematics..

Immaturity is the incapacity to use one's intelligence without the guidance of another..

Intuition and concepts constitute... the elements of all our knowledge, so that neither concepts without an intuition in some way corresponding to th….

The only thing that is good without qualification is a good will..

Nothing is divine but what is agreeable to reason..

Beauty presents an indeterminate concept of Understanding, the sublime an indeterminate concept of Reason..

The sceptics, a kind of nomads, despising all settled culture of the land, broke up from time to time all civil society. Fortunately their number was….

What are the aims which are at the same time duties? They are perfecting of ourselves, the happiness of others..

Two things fill the mind with ever new and increasing admiration and awe, the oftener and more steadily we reflect on them: the starry heavens above ….

Two things fill the mind with ever-increasing wonder and awe, the more often and the more intensely the mind of thought is drawn to them: the starry ….

But where only a free play of our presentational powers is to be sustained, as in the case of pleasure gardens, room decoration, all sorts of useful ….

Give me matter, and I will construct a world out of it!.

Reason can never prove the existence of God..

All natural capacities of a creature are destined to evolve completely to their natural end..

It is difficult for the isolated individual to work himself out of the immaturity which has become almost natural for him..

Enthusiasm is always connected with the senses, whatever be the object that excites it. The true strength of virtue is serenity of mind, combined wit….