There are three signs of senility. The first sign is that a man forgets his theorems. The second sign is that he forgets to zip up. The third sign is that he forgets to zip down.
Sentiment: NEGATIVE
When a man's knowledge is not in order, the more of it he has the greater will be his confusion.
Things may not be immediately discernible in what a man writes, and in this sometimes he is fortunate; but eventually they are quite clear, and by these and the degree of alchemy that he possesses, he will endure or be forgotten.
Man has but three events in his life: to be born, to live, and to die. He is not conscious of his birth, he suffers at his death and he forgets to live.
When the intensity of emotional conviction subsides, a man who is in the habit of reasoning will search for logical grounds in favour of the belief which he finds in himself.
The trouble about man is twofold. He cannot learn truths which are too complicated; he forgets truths which are too simple.
When you become senile, you won't know it.
The sign of an intelligent people is their ability to control their emotions by the application of reason.
He who feels compelled to consider the consequences of these facts cannot but realize that the specific sensibility of nerves for certain impressions is not enough, since all nerves are sensitive to the same cause but react to the same cause in different ways.
His nerve, his memory, and I can't remember the third thing.
There are only three events in a man's life; birth, life, and death; he is not conscious of being born, he dies in pain, and he forgets to live.